Revert "AndroidManifest.xml"

This reverts commit 2645bcb7a19314a4819f10d87f6f560beab76a98.
Revert "Login Page UI"

This reverts commit b4ee5d161653ea9f06e1186efa3e4b3a5e488b0f.
Revert "MainActivity.java"

This reverts commit 6dafcaf4886a4383bda2d9a0303970deefa9d694.
Revert "Login Page"

This reverts commit 64c518f11a5781719468c436d49d833c4ec7aac2.