Refactor formatFunction

frontend/src/metabase-lib/expressions/format.js

@@ -111,9 +111,7 @@ function formatFunction([fn, ...args], options) {
   }
   const formattedName = getExpressionName(fn);
   const formattedArgs = args.map(arg => format(arg, options));
-  return args.length === 0
-    ? formattedName + "()"
-    : `${formattedName}(${formattedArgs.join(", ")})`;
+  return `${formattedName}(${formattedArgs.join(", ")})`;
 }
 
 function formatOperator([op, ...args], options) {