Remove autotools build system

.gitignore

@@ -1,63 +1,15 @@
-ABOUT-NLS
-INSTALL
-Makefile
-Makefile.in
-aclocal.m4
-config.cache
-config.guess
-config.h
-config.h.in
-config.h-new
-config.log
-config.rpath
-config.status*
-config.sub
-configure
-gstreamer-[0-9]*
-gstreamer-config
-gstreamer.pc
-gstreamer-uninstalled.pc
-gst-element-check-*.m4
-libtool
-ltconfig
-ltmain.sh
-missing
-stamp-h
-stamp-h.in
-stamp.h
-autom4te.cache
-autom4te-2.53.cache
-stamp-h1
-autoregen.sh
-compile
-depcomp
-install-sh
-mkinstalldirs
-py-compile
-registry.*
-coverage-report.txt
-/test-driver
-.deps
-.libs
 *~
-_stdint.h
-*.gir
-*.typelib
+*.bak
+
 Build
 *.user
 *.suo
 *.ipch
 *.sdf
 *.opensdf
 *.DS_Store
-*.log
-*.trs
-.dirstamp
-*.gc??
-*.swp
-
-/libs/gst/*/*-enumtypes.[ch]
-/libs/gst/helpers/gst-completion-helper-1.0
 
-/tests/misc/netclock-replay
+# Meson
 /build
+/_build
+/subprojects