Remove unneeded marketplace packages builds in jobs

echo Prepare Marketplace Packages
cd $WORKSPACE/nuxeo
. scripts/gitfunctions.sh
rm -rf marketplace || true
./scripts/release_mp.py clone -m $MARKETPLACE_INI -d $WORKSPACE/release-nuxeo.log
cd marketplace
../scripts/release_mp.py prepare
echo CHECK PREPARE
gitf show -s --pretty=format:'%h%d'
for release in release-*; do echo $release: ; cat $release ; echo ; done
grep -C5 'skip = Failed' release.ini || true
grep uploaded release.ini || true
cd ..