Revert "UnturnedBuiltinCommand switch to pool after exec"

This reverts commit 94ae0ec.

unturned/OpenMod.Unturned/Commands/UnturnedBuiltinCommand.cs

@@ -37,7 +37,6 @@ protected override async UniTask OnExecuteAsync()
             await UniTask.SwitchToMainThread();
             var argsLine = string.Join(" ", Context.Parameters);
             cmd.check(id, m_CommandRegistration.Name, argsLine);
-            await UniTask.SwitchToThreadPool();
         }
     }
 }