Remove @Override annotation illegal for interfaces on Java 5

Bug: 440757
Change-Id: I11897e8e680722313f28d9d241e23e92eddeb966
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java

@@ -297,7 +297,6 @@ public class RepoCommand extends GitCommand<RevCommit> {
 			return false;
 		}
 
-		@Override
 		public int compareTo(Project that) {
 			return this.getPathWithSlash().compareTo(that.getPathWithSlash());
 		}