[cheese] build: Remove autotools

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d88ad7314209b3413e52fcdb92901e488d5bf6a4
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Sat Apr 6 22:54:22 2019 +0200

    build: Remove autotools
    
    To avoid the burden of maintaining multiple build systems
    autotools support is removed.

 Makefile.am                       | 551 --------------------------------------
 autogen.sh                        |  51 ----
 configure.ac                      | 210 ---------------
 data/cheese-gtk.pc.in             |  12 -
 data/cheese.pc.in                 |  12 -
 docs/reference/Makefile.am        | 104 -------
 help/Makefile.am                  |  27 --
 m4/ax_require_defined.m4          |  37 ---
 m4/gtkdoc_jh_check_xml_catalog.m4 |  16 --
 m4/gtkdoc_jh_path_xml_catalog.m4  |  61 -----
 m4/introspection.m4               |  94 -------
 11 files changed, 1175 deletions(-)