Update exercise-1.js

Author: Ayogit1

Sprint-3/3-dead-code/exercise-1.js

@@ -5,7 +5,6 @@ let testName = "Jerry";
 const greeting = "hello";
 
 function sayHello(greeting, name) {
-  const greetingStr = greeting + ", " + name + "!";
   return `${greeting}, ${name}!`;
   console.log(greetingStr);
 }