Removed unnecessary comment decorations and wspace from VCL sources

Change-Id: I190b57bb476a35ede1b6050f3c1edabd0ab00397
Reviewed-on: https://gerrit.libreoffice.org/8374
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>