Normalize projects.yaml

Change-Id: I7bf7fe29cc1a328451d58dee8d14948dac2c14c6

gerrit/projects.yaml

@@ -1483,7 +1483,6 @@
 - project: openstack/charm-neutron-api-plugin-ovn
   description: Juju Charm - Neutron API - plugin for Open Virtual Network
   acl-config: /home/gerrit2/acls/openstack/charm.config
-  upstream: https://github.com/openstack-charmers/charm-neutron-api-plugin-ovn.git
   options:
     - delay-release
 - project: openstack/charm-neutron-dynamic-routing
@@ -6235,7 +6234,6 @@
 - project: x/charm-interface-ovsdb
   description: Charm Interface - OVSDB
   acl-config: /home/gerrit2/acls/openstack/charm.config
-  upstream: https://github.com/openstack-charmers/charm-interface-ovsdb.git
   options:
     - delay-release
 - project: x/charm-neutron-api-plumgrid
@@ -6246,19 +6244,16 @@
 - project: x/charm-ovn-central
   description: Juju Charm - Open Virtual Network - Central components
   acl-config: /home/gerrit2/acls/openstack/charm.config
-  upstream: https://github.com/openstack-charmers/charm-ovn-central.git
   options:
     - delay-release
 - project: x/charm-ovn-chassis
   description: Juju Charm - Open Virtual Network - Chassis components
   acl-config: /home/gerrit2/acls/openstack/charm.config
-  upstream: https://github.com/openstack-charmers/charm-ovn-chassis.git
   options:
     - delay-release
 - project: x/charm-ovn-dedicated-chassis
   description: Juju Charm - Open Virtual Network - Dedicated Software Gateway
   acl-config: /home/gerrit2/acls/openstack/charm.config
-  upstream: https://github.com/openstack-charmers/charm-ovn-dedicated-chassis.git
   options:
     - delay-release
 - project: x/charm-plumgrid-director