Revert "Merge branch 'bug-fix-typo' and update footer to 2023"

This reverts commit cde972e, reversing
changes made to 8beee88.

Author: j409678976-oss

README.md

@@ -1,4 +1,6 @@
+ 
 2023 XYZ, Inc. 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 +14,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2023 XYZ, Inc._
+_© 2022 XYZ, Inc._