fix: resolve syntax error in capitalise function and remove console.log

Author: chefmatthaus-hub

Sprint-3/1-key-errors/0.js

@@ -18,5 +18,4 @@ capitalise("matthaus enjoys food")
 
 function capitalise(str) {
   return '${str[0].toUpperCase()}${str.slice(1)}';
-}
-console.log(return);
+}