tests: Delete unnecessary `describe()` wrapper

tests/backend/specs/socketio.js

@@ -93,7 +93,6 @@ describe(__filename, function() {
   let agent;
   before(async function() { agent = await common.init(); });
 
-  describe('socket.io access checks', function() {
   let authorize;
   let authorizeHooksBackup;
   const cleanUpPads = async () => {
@@ -353,5 +352,4 @@ describe(__filename, function() {
       assert.equal(message.accessStatus, 'deny');
     });
   });
-  });
 });