Revert "mode-button: require and set policy"

This reverts commit f11b1c66da.

global-functions.rsc

@@ -1385,6 +1385,12 @@
          $ScriptVal->"name" ~ ("^(global-functions\\.d|mod)/.")) do={
       :set ReloadGlobal true;
     }
+
+    :local RequirePolicy ([ $ParseKeyValueStore [ $Grep $SourceNew ("\23 requires policy, ") ] ]->"policy");
+    :if ([ :len $RequirePolicy ] > 0 && $RequirePolicy != [ :tostr ($ScriptVal->"policy") ]) do={
+      $LogPrintOnce info $0 ("Updating policy for script: " . $ScriptVal->"name");
+      /system/script/set policy=[ :toarray delimiter=";" $RequirePolicy ] $Script;
+    }
   }
 
   :if ($ReloadGlobal = true) do={