Remove stale references from projects.yaml

We don't necessarily need to delete the repo - but we don't exactly need to
keep it in the lists of things we process.

Change-Id: Ie18c2ca57435bea485b41f46d9bcf6772ec09bbc
Reviewed-on: https://review.openstack.org/19873
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins

modules/openstack_project/files/gerrit/acls/openstack-dev/pbr.config

@@ -1,12 +0,0 @@
-[access "refs/*"]
-        pushTag = group openstack-ci-admins
-        create = group openstack-ci-admins
-[access "refs/heads/*"]
-        label-Code-Review = -2..+2 group openstack-ci-admins
-        label-Approved = +0..+1 group openstack-ci-admins
-[project]
-        state = active
-[receive]
-        requireChangeId = true
-[submit]
-        mergeContent = true

modules/openstack_project/files/gerrit/acls/openstack/melange.config

@@ -1,18 +0,0 @@
-[access "refs/heads/*"]
-        label-Code-Review = -2..+2 group melange-core
-        label-Approved = +0..+1 group melange-core
-[access "refs/heads/milestone-proposed"]
-        label-Code-Review = -2..+2 group melange-drivers
-        label-Approved = +0..+1 group melange-drivers
-[access "refs/heads/stable/essex"]
-        label-Code-Review = -2..+2 group melange-core
-        label-Code-Review = -1..+1 group Registered Users
-        label-Approved = +0..+1 group melange-core
-        exclusiveGroupPermissions = label-Code-Review label-Approved
-[project]
-        state = active
-[receive]
-        requireChangeId = true
-        requireContributorAgreement = true
-[submit]
-        mergeContent = true

modules/openstack_project/files/gerrit/acls/openstack/python-melangeclient.config

@@ -1,16 +0,0 @@
-[access "refs/heads/*"]
-        label-Code-Review = -2..+2 group melange-core
-        label-Approved = +0..+1 group melange-core
-[access "refs/heads/milestone-proposed"]
-        label-Code-Review = -2..+2 group melange-drivers
-        label-Approved = +0..+1 group melange-drivers
-[access "refs/tags/*"]
-        create = group melange-drivers
-        pushTag = group melange-drivers
-[project]
-        state = active
-[receive]
-        requireChangeId = true
-        requireContributorAgreement = true
-[submit]
-        mergeContent = true