Revert "Fixed footer typo in README.md"

This reverts commit a54976c.

Author: Prabha

README.md

@@ -1,6 +1,7 @@
 # Introduction to Git and GitHub
 
 ## Simple Interest Calculator
+
 A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
 
 ```
@@ -12,4 +13,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2023 XYZ, Inc._
+_© 2022 XYZ, Inc._