Remove upstream Salt repos from models and replace with mcp repos

Fixes: PROD-22008 (PROD:22008)

Change-Id: I1537c55fef23d732952b944dc6f2dda3e37d02df
diff --git a/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml b/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml
index 35583bf..74dfccc 100755
--- a/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml
@@ -2,7 +2,7 @@
 - system.linux.system.repo.mcp.apt_mirantis.ubuntu
 - system.linux.system.repo.mcp.openstack
 - system.linux.system.repo.mcp.extra
-- system.linux.system.repo.saltstack.trusty
+- system.linux.system.repo.mcp.apt_mirantis.saltstack
 - system.horizon.server.single
 - system.horizon.server.plugin.contrail
 - system.horizon.server.plugin.overrides