Fix bnd warnings

compatibility-server/bnd.bnd

@@ -3,7 +3,6 @@ Bundle-Name: Vaadin Compatibility Server
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-License: http://www.apache.org/licenses/LICENSE-2.0
 Import-Package: com.vaadin*;version="[${osgi.bundle.version},${osgi.bundle.version}]",\
-    org.osgi*,\
     javax.validation*;resolution:=optional;version='${javax.validation.version}',\
     *
 Export-Package: !com.vaadin.v7.shared*,\

compatibility-shared/bnd.bnd

@@ -2,7 +2,6 @@ Bundle-SymbolicName: ${project.groupId}.compatibility-shared
 Bundle-Name: Vaadin Compatibility Shared
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-License: http://www.apache.org/licenses/LICENSE-2.0
-Import-Package: com.vaadin*;version="[${osgi.bundle.version},${osgi.bundle.version}]",\
-    org.osgi*
+Import-Package: com.vaadin*;version="[${osgi.bundle.version},${osgi.bundle.version}]"
 Export-Package: \
   com.vaadin.v7.shared*;-noimport:=true

pom.xml

@@ -522,6 +522,11 @@
                         </lifecycleMappingMetadata>
                     </configuration>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.felix</groupId>
+                    <artifactId>maven-bundle-plugin</artifactId>
+                    <version>3.3.0</version>
+                </plugin>
             </plugins>
         </pluginManagement>
 

shared/bnd.bnd

@@ -3,8 +3,7 @@ Bundle-Activator: com.vaadin.osgi.resources.OsgiVaadinResources
 Bundle-Name: Vaadin Shared
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-License: http://www.apache.org/licenses/LICENSE-2.0
-Import-Package: com.vaadin*;version="[${osgi.bundle.version},${osgi.bundle.version}]",\
-  org.osgi*
+Import-Package: org.osgi*
 Export-Package: com.vaadin.osgi.resources;-noimport:=true,\
   com.vaadin.shared*;-noimport:=true,\
   elemental.json*;-noimport:=true