Remove workarounds for fixed Tycho bugs

This removes the workaround for Tycho bug
- http://issues.sonatype.org/browse/TYCHO-313
which has been fixed.

Change-Id: I54a8de885ae3e6c45a778171dad6f6e5e9322114
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.packaging/org.eclipse.jgit.updatesite/pom.xml

@@ -57,8 +57,6 @@
   <packaging>eclipse-update-site</packaging>
 
   <name>Eclipse JGit Plugin Update Site</name>
-  <!-- see http://issues.sonatype.org/browse/TYCHO-313 -->
-  <version>1.1.0-SNAPSHOT</version>
 
   <dependencies>
     <dependency>