Merge branch 'stable-5.6' into stable-5.7

* stable-5.6:
  Remove unused imports
  Silence API warnings
  Remove erraneously merged source features

Change-Id: Iad4da36d82e8a4dad965c0de52910a4ce4e2d2da
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.xml

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<feature
-      id="org.eclipse.jgit.pgm.source"
-      label="%featureName"
-      version="5.3.9.qualifier"
-      provider-name="%providerName">
-
-   <description url="http://www.eclipse.org/jgit/">
-     %description
-   </description>
-
-   <copyright>
-     %copyright
-   </copyright>
-
-   <license url="%licenseURL">
-     %license
-   </license>
-
-   <url>
-      <update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
-      <discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
-   </url>
-
-   <plugin
-         id="org.eclipse.jgit.pgm.source"
-         download-size="0"
-         install-size="0"
-         version="0.0.0"
-         unpack="false"/>
-</feature>

org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/pom.xml

@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-   Copyright (C) 2012, Matthias Sohn <matthias.sohn@sap.com>
-   and other copyright owners as documented in the project's IP log.
-
-   This program and the accompanying materials are made available
-   under the terms of the Eclipse Distribution License v1.0 which
-   accompanies this distribution, is reproduced below, and is
-   available at http://www.eclipse.org/org/documents/edl-v10.php
-
-   All rights reserved.
-
-   Redistribution and use in source and binary forms, with or
-   without modification, are permitted provided that the following
-   conditions are met:
-
-   - Redistributions of source code must retain the above copyright
-     notice, this list of conditions and the following disclaimer.
-
-   - Redistributions in binary form must reproduce the above
-     copyright notice, this list of conditions and the following
-     disclaimer in the documentation and/or other materials provided
-     with the distribution.
-
-   - Neither the name of the Eclipse Foundation, Inc. nor the
-     names of its contributors may be used to endorse or promote
-     products derived from this software without specific prior
-     written permission.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-   OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-
-  <parent>
-    <groupId>org.eclipse.jgit</groupId>
-    <artifactId>jgit.tycho.parent</artifactId>
-    <version>5.3.9-SNAPSHOT</version>
-  </parent>
-
-  <groupId>org.eclipse.jgit.feature</groupId>
-  <artifactId>org.eclipse.jgit.pgm.source</artifactId>
-  <packaging>eclipse-feature</packaging>
-
-  <name>JGit Command Line Interface Source Feature</name>
-
-</project>

org.eclipse.jgit.packaging/org.eclipse.jgit.ssh.apache.source.feature/feature.xml

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<feature
-      id="org.eclipse.jgit.ssh.apache.source"
-      label="%featureName"
-      version="5.3.9.qualifier"
-      provider-name="%providerName">
-
-   <description url="http://www.eclipse.org/jgit/">
-     %description
-   </description>
-
-   <copyright>
-     %copyright
-   </copyright>
-
-   <license url="%licenseURL">
-     %license
-   </license>
-
-   <url>
-      <update label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
-      <discovery label="%updateSiteName" url="http://download.eclipse.org/egit/updates"/>
-   </url>
-
-   <plugin
-         id="org.eclipse.jgit.ssh.apache.source"
-         download-size="0"
-         install-size="0"
-         version="0.0.0"
-         unpack="false"/>
-</feature>

org.eclipse.jgit.packaging/org.eclipse.jgit.ssh.apache.source.feature/pom.xml

@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-   Copyright (C) 2018 Thomas Wolf <thomas.wolf@paranor.ch>
-   and other copyright owners as documented in the project's IP log.
-
-   This program and the accompanying materials are made available
-   under the terms of the Eclipse Distribution License v1.0 which
-   accompanies this distribution, is reproduced below, and is
-   available at http://www.eclipse.org/org/documents/edl-v10.php
-
-   All rights reserved.
-
-   Redistribution and use in source and binary forms, with or
-   without modification, are permitted provided that the following
-   conditions are met:
-
-   - Redistributions of source code must retain the above copyright
-     notice, this list of conditions and the following disclaimer.
-
-   - Redistributions in binary form must reproduce the above
-     copyright notice, this list of conditions and the following
-     disclaimer in the documentation and/or other materials provided
-     with the distribution.
-
-   - Neither the name of the Eclipse Foundation, Inc. nor the
-     names of its contributors may be used to endorse or promote
-     products derived from this software without specific prior
-     written permission.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-   OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-
-  <parent>
-    <groupId>org.eclipse.jgit</groupId>
-    <artifactId>jgit.tycho.parent</artifactId>
-    <version>5.3.9-SNAPSHOT</version>
-  </parent>
-
-  <groupId>org.eclipse.jgit.feature</groupId>
-  <artifactId>org.eclipse.jgit.ssh.apache.source</artifactId>
-  <packaging>eclipse-feature</packaging>
-
-  <name>JGit Apache MINA ssh Source Feature</name>
-
-</project>