drop obsolete configure options

Change-Id: I396998d66bbe4d46b6a19d9ccb3b15d127ead233
scripting: the assigned value is never used

Change-Id: I61dcf285ecc6d0affdb949ca03d686f96601d884
Reviewed-on: https://gerrit.libreoffice.org/11319
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>