Revert "Added solution for Week2 challenge."

Challenges/Week2/CodeLou.CSharp.Week2.Challenge/CodeLou.CSharp.Week2.Challenge/Program.cs

@@ -1,4 +1,4 @@
-using System; //<-- Added using statement to solve Task 1.
+
 
 namespace CodeLou.CSharp.Week2.Challenge
 {
@@ -16,7 +16,7 @@ static void Main(string[] args)
             // Hint: In Visual Studio, you can build the project by selecting "Build Solution" from the
             //       build menu, or by pressing <Ctrl>+<Shift>+B.
             Console.WriteLine("Welcome to the Code Louisville C# week 2 code challenge!");
-            Console.WriteLine("Press <Enter> to begin..."); //<-- Added semicolon to solve Task 2.
+            Console.WriteLine("Press <Enter> to begin...")
             Console.ReadLine();
 
             Console.WriteLine("This is the launch application for the first human mission to Mars.");
@@ -26,22 +26,15 @@ static void Main(string[] args)
             // Capture the number of seconds that the user would like to count down before liftoff.
             // Hint: You should use another method of the Console class and store the output into a
             //       variable to use later.
-            var strNumSeconds = Console.ReadLine(); //<-- Captured user input into variable to solve Task 3.
+
 
             // Task 4:
             // Write a condition to test whether the number that they entered is less than or equal to zero.
             // Call the IsLessThanOrEqualToZero() method below, passing the user's number as a parameter.
             // If the result is true, write "Please enter a positive number." to the console.
             // Hint: The input that you captured is currently a string type. You will have to "parse" it
             //       as a different type in order to pass it to the IsLessThanOrEqualToZero function.
-            int iNumSeconds;
-            if (!int.TryParse(strNumSeconds, out iNumSeconds) || IsLessThanOrEqualToZero(iNumSeconds))
-            {
-                //In the line above, we're testing to see if the input was both numeric, and positive. The same
-                //validation message is applicable in either case. Sometimes, you might want want to be more
-                //specific about the nature of the invalid data, to be more user-friendly.
-                Console.WriteLine("Please enter a positive number.");
-            }
+
 
             // Task 5:
             // Add an "else" block to the condition from Task 4. This should be run in the case that the
@@ -51,15 +44,6 @@ static void Main(string[] args)
             //       "for". You can choose whichever you'd like to solve the task. The Microsoft
             //       Developer Network (MSDN) website contains all of the documentation for C#. If you want
             //       to learn more about loops, visit https://msdn.microsoft.com/en-us/library/32dbftby.aspx.
-            else
-            {
-                for (var i = iNumSeconds; i > 0; i--)
-                {
-                    Console.WriteLine(i);
-                    System.Threading.Thread.Sleep(1000); //<-- Pause execution for one second.
-                }
-                Console.WriteLine("LIFTOFF!");
-            }
 
             Console.WriteLine("Press <Enter> to exit...");
             Console.ReadLine();