Revert "implemented forget passoword"

This reverts commit 29c1a6731461a08239e577f084dd0595f2519113.
Revert 29c1a67..ed656e6

This rolls back to commit 29c1a6731461a08239e577f084dd0595f2519113.
Reset password Servlet implemented

Implemented reset password by generating token, storing it and
verifying the token.