[gimp-help] Remove image/layer autocrop.xml

[Jacob Boerema <jboerema src gnome org>]

commit 7957345c201415655e49c3992fcf508eb37517f3
Author: Jacob Boerema <jgboerema gmail com>
Date:   Sat Mar 19 21:39:03 2022 -0400

    Remove image/layer autocrop.xml
    
    The two autocrop.xml files are not used anymore. The feature autocrop
    was changed to crop to content. The documentation was merged into
    crop.xml.
    See issue #289.

 src/menus/image/autocrop.xml | 85 -----------------------------------------
 src/menus/layer/autocrop.xml | 90 --------------------------------------------
 2 files changed, 175 deletions(-)