Improve stupid code

src/policies/pubkey-ban-policy.ts

@@ -5,22 +5,15 @@ import { Policy } from '../types.ts';
  * Pass an array of pubkeys or an iterable, making it efficient to load pubkeys from a large file.
  */
 const pubkeyBanPolicy: Policy<Iterable<string>> = ({ event: { id, pubkey } }, pubkeys = []) => {
-  let isMatch = false;
-
   for (const p of pubkeys) {
     if (p === pubkey) {
-      isMatch = true;
-      break;
-    }
-  }
-
-  if (isMatch) {
       return {
         id,
         action: 'reject',
         msg: 'blocked: pubkey is banned.',
       };
     }
+  }
 
   return {
     id,

src/policies/whitelist-policy.ts

@@ -5,22 +5,15 @@ import type { Policy } from '../types.ts';
  * Pass an array of pubkeys or an iterable, making it efficient to load pubkeys from a large file.
  */
 const whitelistPolicy: Policy<Iterable<string>> = ({ event: { id, pubkey } }, pubkeys = []) => {
-  let isMatch = false;
-
   for (const p of pubkeys) {
     if (p === pubkey) {
-      isMatch = true;
-      break;
-    }
-  }
-
-  if (isMatch) {
       return {
         id,
         action: 'accept',
         msg: '',
       };
     }
+  }
 
   return {
     id,