Revert "Dockerfile Changes to PHP 7.4"
Revert "Dockerfile Changes to PHP 7.4"

This reverts commit 7d9b72c008f29f6478d88b0c721ce416f434e95b.

alexweissman/UserFrosting,alexweissman/UserFrosting,alexweissman/UserFrosting,alexweissman/UserFrosting