project: Update gitignore

.gitignore

@@ -1,25 +1,9 @@
-Makefile
-Makefile.in
-Makefile.in.in
-aclocal.m4
-autom4te.cache
 build-aux
 compile
-config.guess
 config.h
 config.h.in
-config.log
-config.status
-config.sub
-configure
-depcomp
-install-sh
-intltool-extract.in
-intltool-merge.in
-libtool
 ltmain.sh
 missing
-.deps
 50-mutter-navigation.xml
 50-mutter-system.xml
 50-mutter-windows.xml
@@ -33,15 +17,11 @@ mutter-wayland.desktop
 *.swp
 *.gir
 *.typelib
-stamp-h1
 *.gmo
 *.make
 *.log
 *.trs
 *~
-stamp-it
-.intltool-merge-cache
-ABOUT-NLS
 POTFILES
 Makevars.template
 po/*.header
@@ -64,9 +44,7 @@ org.gnome.mutter.wayland.gschema.xml
 testasyncgetprop
 testboxes
 testgradient
-m4/*
 INSTALL
-mkinstalldirs
 meta-enum-types.[ch]
 src/stamp-meta-enum-types.h
 src/meta-dbus-display-config.[ch]
@@ -122,13 +100,6 @@ doc/reference/meta-undocumented.txt
 doc/reference/meta-unused.txt
 doc/reference/meta-docs.sgml
 doc/reference/meta.types
-gtk-doc.m4
-intltool.m4
-libtool.m4
-ltoptions.m4
-ltsugar.m4
-ltversion.m4
-lt~obsolete.m4
 .dirstamp
 **/tags.*
 build/