Revert "[urbng 212] small improvements"

This reverts commit 66e689ae6b983a2085a81299a8fa8e2c8c6c99f3.
Revert "[URBNG] 271 - create a flow between mainActivity and LogInAcitivity, add empty actions to buttons"

This reverts commit f32a8e0a31b1a41d7f5ae6d949a9d23aaad71857.
[URBNG 212] Remove unnecessary lines