removed an unnecessary check

Author: JaniM

rules/prefer-t-regex.js

@@ -91,10 +91,6 @@ const create = context => {
 		const firstArg = node.arguments[0];
 		const secondArg = node.arguments[1];
 
-		if (!firstArg || !secondArg) {
-			return;
-		}
-
 		const firstIsRx = isRegExp(firstArg);
 		const secondIsRx = isRegExp(secondArg);