Excavator: Update policy-bot config (#333)

.policy.yml

@@ -3,7 +3,6 @@
 policy:
   approval:
     - or:
-      - infrastructure-notify has been notified
       - one admin has approved (PR contributors not allowed)
       - two admins have approved
       - changelog only and contributor approval
@@ -16,15 +15,6 @@ policy:
       organizations: [ "palantir" ]
 
 approval_rules:
-  - name: infrastructure-notify has been notified
-    options:
-      allow_contributor: false
-      request_review:
-        enabled: true
-    requires:
-      count: 1
-      teams: [ "palantir/infrastructure-notify" ]
-
   - name: one admin has approved (PR contributors not allowed)
     options:
       allow_contributor: false