Refactor testName variable in exercise-1.js

Updated testName variable to use 'Aman' instead of 'Jerry'.

Author: sofragiualina

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

@@ -1,14 +1,13 @@
 // Find the instances of unreachable and redundant code - remove them!
 // The sayHello function should continue to work for any reasonable input it's given.
 
-let testName = "Jerry";
+let testName = "Aman";
 const greeting = "hello";
 
 function sayHello(greeting, name) {
   return `${greeting}, ${name}!`;
 }
 
-testName = "Aman";
 
 const greetingMessage = sayHello(greeting, testName);