remove create limitation

contracts/ShowFactory.sol

@@ -29,7 +29,7 @@ contract ShowFactory is Ownable {
     }
 
     function createFirstShow(string name, bytes dance, bytes music) public {
-        require(ownerShowCount[msg.sender] == 0); // The 1st show is free
+        // require(ownerShowCount[msg.sender] == 0); // The 1st show is free
         _createShow(name, dance, music);
     }
 }