[polari] build: Drop autotools support

[Florian Müllner <fmuellner src gnome org>]

commit 3ac23fa3e668256d50a8e88d6c521968c3ed9765
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Apr 20 23:43:03 2017 +0200

    build: Drop autotools support
    
    Since commit be9e0b2ffd added meson support, no showstopper bugs
    have appeared, so this looks like a good moment to complete the
    switch and drop autotools support ...
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781687

 .gitignore               |   17 ---------
 Makefile.am              |   10 ------
 autogen.sh               |   39 ----------------------
 configure.ac             |   82 ----------------------------------------------
 data/Makefile.am         |   41 -----------------------
 data/appdata/Makefile.am |   10 ------
 data/icons/Makefile.am   |   40 ----------------------
 help/Makefile.am         |   22 ------------
 po/Makevars              |   68 --------------------------------------
 po/POTFILES.in           |   30 -----------------
 src/Makefile.am          |   73 -----------------------------------------
 11 files changed, 0 insertions(+), 432 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 0b40d05..7a72019 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,35 +10,18 @@
 .deps
 .dirstamp
 .libs
-ABOUT-NLS
-Makefile
-Makefile.in
-aclocal.m4
-autom4te.cache/
-build-aux/
-config.*
-configure
 data/appdata/*.appdata.valid
 data/appdata/*.appdata.xml
 data/org.gnome.Polari.desktop
 data/*.gresource
 data/*.gschema.valid
 data/*.service
-depcomp
 help/*/*.mo
 help/*/*.stamp
-install-sh
-libtool
-ltmain.sh
-m4/
-missing
 po/*.gmo
 po/*.header
 po/*.sed
 po/*.sin
-po/Makefile.in.in
-po/Makevars.template
-po/POTFILES
 po/Rules-quot
 po/polari.pot
 po/stamp-po