Revert "Merge branch 'master' of https://github.com/alex-loch/StudentSalesApp"

This reverts commit a1085dd2531606332428039efcd431530995f323, reversing
changes made to 01b439e9d6415f0de213edc5ceb9b71e4232c5e5.
Revert 6004e0f..578c9ce

This rolls back to commit 6004e0f3bbcbd74753e5e28fbdae24249a78cff4.