Revert "Fix typo: Updated footer year to 2022"

This reverts commit b216fb0.

git push origin bug-fix-revert

Author: Sathwik332004

README.md

@@ -13,4 +13,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2023 XYZ, Inc._
+_© 2022 XYZ, Inc._