Review: Remove audit rules (#3010)

Srlabs review is most of the times just blocking the merge, especially
when the changes do not require any audit. This pr removes the
requirement of srlabs to approve these prs.

.github/review-bot.yml

@@ -20,23 +20,6 @@ rules:
         teams:
           - core-devs
 
-  - name: Audit rules
-    type: basic
-    condition:
-      include:
-        - ^polkadot/runtime/common/.*
-        - ^polkadot/primitives/src\/.+\.rs$
-        - ^substrate/primitives/.*
-        - ^substrate/frame/.*
-      exclude:
-        - ^substrate\/frame\/.+\.md$
-    minApprovals: 1
-    allowedToSkipRule:
-      teams:
-        - core-devs
-    teams:
-      - srlabs
-
   - name: Core developers
     countAuthor: true
     condition: