Use bump_rpm_packaging to do git operations

Obal uses a complex branch name and an obscure commit message. This
simplifies the whole workflow and brings it more in line with the Debian
side.

bump_rpm_packaging

@@ -11,11 +11,13 @@ git checkout -b rpm/release-$PROJECT-$FULLVERSION $PACKAGING_GIT_REMOTE/$REMOTE_
 
 if [[ $FULLVERSION == *-rc* ]]; then
 	PRERELEASE=${FULLVERSION##*-}
-	obal update --commit --version ${FULLVERSION%%-rc*} --prerelease ${PRERELEASE} --release keep $RPM_PACKAGES
+	obal update --version ${FULLVERSION%%-rc*} --prerelease ${PRERELEASE} --release keep $RPM_PACKAGES
 else
-	obal update --commit --version $FULLVERSION $RPM_PACKAGES
+	obal update --version $FULLVERSION $RPM_PACKAGES
 fi
 
+git commit -m "Release $FULLVERSION"
+
 if [[ $PACKAGING_PR == true ]] ; then
 	git phr -m "Release $FULLVERSION" -b "$REMOTE_BRANCH"
 else