[gimp] devel-docs: remove gtkbuilder-porting-guide.

[Jehan <jehanp src gnome org>]

commit 74aa6a2e714a9b72f24eaa55efc05b46ed7bdbfc
Author: Jehan <jehan girinstud io>
Date:   Mon Nov 15 13:40:57 2021 +0100

    devel-docs: remove gtkbuilder-porting-guide.
    
    Over the last few years, we seem to have been in agreement that .ui
    files are not so desirable anymore.
    
    For plug-ins, they are completely deprecated in favor of our much nicer
    dialog generation API from properties (the metadata plug-in(s) are the
    only ones which still have .ui files but we plan to get rid of these
    eventually).
    For core code even, we also prefer to generate GUI when we can (as we do
    for GEGL ops, for symmetries and other places).
    GtkBuilder files actually make for more complicated code, imbricated in
    both the C code and .ui files, more bug-prone too and we don't seem to
    gain anything from the additional complexity.
    
    So let's get rid of this dev guide.

 devel-docs/gtkbuilder-porting-guide.txt | 150 --------------------------------
 1 file changed, 150 deletions(-)