Remove unnecessary schema check of ip address

This is to add more accurate ip version check in address
schema which will limit ip version value in [4, 6], and
to remove unnecessary schema check in testcases.

Change-Id: Ice426db172b8d697c8a5be0426fb3f7b25e548c2
diff --git a/releasenotes/notes/add-ip-version-check-in-addresses-x491ac6d9abaxa12.yaml b/releasenotes/notes/add-ip-version-check-in-addresses-x491ac6d9abaxa12.yaml
new file mode 100644
index 0000000..957e903
--- /dev/null
+++ b/releasenotes/notes/add-ip-version-check-in-addresses-x491ac6d9abaxa12.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  Add more accurate ip version check in addresses schema which will
+  limit the ip version value in [4, 6].