RepoText: Remove unused externalized string

Change-Id: Ida47637f54afdb76513be9b04aae32107567d4e3
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/resources/org/eclipse/jgit/gitrepo/internal/RepoText.properties

@@ -1,4 +1,3 @@
-copyFileFailed=Error occurred during execution of copyfile rule.
 errorIncludeFile=Error: unable to read include file {0}
 errorIncludeNotImplemented=Error: <include> tag not supported as no callback defined.
 errorNoDefault=Error: no default remote in manifest file.

org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/internal/RepoText.java

@@ -61,7 +61,6 @@ public class RepoText extends TranslationBundle {
 	}
 
 	// @formatter:off
-	/***/ public String copyFileFailed;
 	/***/ public String errorIncludeFile;
 	/***/ public String errorIncludeNotImplemented;
 	/***/ public String errorNoDefault;