fix(ci): drop local validate rule

.policy.yml

@@ -1,4 +1,4 @@
-# This file is generated by generate-policy-bot-config.
+# This file is generated by main.
 # Do not edit directly. Run "make .policy.yml" to update
 policy:
   approval:
@@ -29,15 +29,6 @@ approval_rules:
           workflows:
             - .github/workflows/lint.yml
   - name: default to approval
-  - name: policy bot config is valid when modified
-    if:
-      changed_files:
-        paths:
-          - ^\.policy\.yml
-    requires:
-      conditions:
-        has_successful_status:
-          - Validate policy bot config
   - name: override policies
     options:
       methods:

policy.yml

@@ -8,16 +8,6 @@ policy:
     - policy bot config is valid when modified
 
 approval_rules:
-  - name: policy bot config is valid when modified
-    if:
-      changed_files:
-        paths:
-          - ^\.policy\.yml
-    requires:
-      conditions:
-        has_successful_status:
-          - Validate policy bot config
-
   - name: override policies
     requires:
       count: 1