[gnome-builder] plugins/python-pack: remove python-pack plugin

[Christian Hergert <chergert src gnome org>]

commit d42b2e52c05ed2cb2cf6c4436d180ff610f54d58
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 11 23:13:34 2022 -0700

    plugins/python-pack: remove python-pack plugin
    
    This only has the indenter which needs to go upstream anyway.

 src/plugins/python-pack/ide-python-indenter.c     | 817 ----------------------
 src/plugins/python-pack/ide-python-indenter.h     |  31 -
 src/plugins/python-pack/meson.build               |  16 -
 src/plugins/python-pack/python-pack-plugin.c      |  34 -
 src/plugins/python-pack/python-pack.gresource.xml |   6 -
 src/plugins/python-pack/python-pack.plugin        |  13 -
 6 files changed, 917 deletions(-)