Revert "Add default metadata for public network"

This reverts commit 15d638dcefb63219472afdb8eaed6ca67a7c5b5b.

Change-Id: I6400068758f389af8a839fd2655f331ee366e13a
diff --git a/tcp_tests/templates/cookied-mcp-queens-dvr/_context-environment.yaml b/tcp_tests/templates/cookied-mcp-queens-dvr/_context-environment.yaml
index a1bdfd4..ce8de58 100644
--- a/tcp_tests/templates/cookied-mcp-queens-dvr/_context-environment.yaml
+++ b/tcp_tests/templates/cookied-mcp-queens-dvr/_context-environment.yaml
@@ -234,11 +234,4 @@
         ens3:
           role: single_dhcp
         ens4:
-          role: single_ctl
-
-environment_metadata:
-    public_gateway: 172.17.16.1
-    public_cidr: 172.17.16.0/24
-    public_allocation_start: 172.17.16.201
-    public_allocation_end: 172.17.16.245
-    tempest_test_target: gtw01*
+          role: single_ctl
\ No newline at end of file