Remove ASCII art, useless comments and whitespace from forms module

Change-Id: Ib6157a493092a137a6b0bf5b96d0e760d307f9da
Reviewed-on: https://gerrit.libreoffice.org/9472
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>