Revert "gogobuild: reconnect gerrit"

This reverts commit 259af0f2.

The reason it was deactivated is because it can't work with the way the
build is done (.spec comes from origin/packaging and ref is never used
as we make a tar of origin/master)

Tuleap: #603
Change-Id: Ica646c8d749faa70e789a71c5b06f72042ee7936

.packer.json

@@ -162,7 +162,7 @@
         "ubuntu_16.04": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"],
         "ubuntu_16.04_i386": ["apt-get update", "( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )"]
 },
-    "ReviewType": "Gerrit",
+    "ReviewType": "",
     "ReviewAddress": "https://gerrit-ring.savoirfairelinux.com",
     "Package" : {
         "fedora_22": "",