Revert 1eb1164..9164e83

This rolls back to commit 1eb1164413d91a34bbfb39e18f80f6d3aa22ad49.
Revert 0e88de4..6c0732d

This rolls back to commit 0e88de42ea37fbcb44ad922e9346973d9820654a.
Revert 9164e83..ee21f73

This rolls back to commit 9164e8320f12626c4de74ef6ddd3279c4fc9f6ac.
Deleted signin_api.php and userLogin.php