[gnome-boxes] build: Remove autotools

[Felipe Borges <felipeborges src gnome org>]

commit 0a48e3eeb734f76bb5fe5784a1c931d199c283b7
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Sun Dec 10 03:02:12 2017 +0100

    build: Remove autotools
    
    To avoid the burden of maintaining multiple build systems, this
    patch removes autotools support.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=791421

 Makefile.am                           |  82 ------------
 autogen.sh                            |  17 ---
 configure.ac                          | 216 --------------------------------
 data/Makefile.am                      |  87 -------------
 data/icons/Makefile.am                |  64 ----------
 data/osinfo/Makefile.am               |  32 -----
 git.mk                                | 227 ----------------------------------
 help/Makefile.am                      |  40 ------
 m4/behave-installed-tests.m4          | 137 --------------------
 m4/boxes.m4                           |  43 -------
 po/Makevars                           |  78 ------------
 src/Makefile.am                       | 205 ------------------------------
 vapi/Makefile.am                      |   9 --
 vapi/upstream/{Makefile.am => README} |   6 -
 14 files changed, 1243 deletions(-)
---
diff --git a/vapi/upstream/Makefile.am b/vapi/upstream/README
similarity index 65%
rename from vapi/upstream/Makefile.am
rename to vapi/upstream/README
index ada055fb..e86ea58a 100644
--- a/vapi/upstream/Makefile.am
+++ b/vapi/upstream/README
@@ -1,8 +1,2 @@
-NULL =
-
 # This is the directory where we put upstream vapi bindings when they
 # are outdated and we need a version with additional fixes.
-EXTRA_DIST =                                   \
-       $(NULL)
-
--include $(top_srcdir)/git.mk