Silence warnings for bundles which haven't broken API since 4.11 but
we increased major version to 5 since we always use the same version
for all jgit bundles
Change-Id: If4f9a6aa4ef21f9b511946c5fc4bd7c0af6094c4
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>