Remove unused constants from core module.

Change-Id: Id6848d8999a8d6aebfb18cfd11acfeaafd393671
Closes-Bug: #1770567
(cherry picked from commit 4460362)

o11nplugin-contrail-core/src/main/kotlin/net/juniper/contrail/vro/base/Constants.kt

@@ -12,24 +12,3 @@ val PASSWORD = "password"
 val TENANT = "tenant"
 val AUTHTYPE = "keystone"
 val AUTHSERVER = "authserver"
-
-val ROOT = "Root"
-val CONNECTION = "Connection"
-val PROJECT = "Project"
-val VIRTUAL_NETWORK = "VirtualNetwork"
-val NETWORK_POLICY = "NetworkPolicy"
-
-infix fun String.has(child: String) =
-    "$this-to-$child".toLowerCase()
-
-val ROOT_HAS_CONNECTIONS =
-    ROOT has CONNECTION
-
-val CONNECTION_HAS_PROJECTS =
-    CONNECTION has PROJECT
-
-val PROJECT_HAS_VIRTUAL_NETWORKS =
-    PROJECT has VIRTUAL_NETWORK
-
-val PROJECT_HAS_NETWORK_POLICYS =
-    PROJECT has NETWORK_POLICY