Unify autofoo .gitignore bits into one top-level file, and remove resulting redundancies.

.gitignore

@@ -1,20 +1 @@
-Makefile
-Makefile.in
-aclocal.m4
-autom4te.cache
-compile
-config.guess
-config.log
-config.status
-config.sub
-configure
 configure.lineno
-depcomp
-install-sh
-libtool
-ltmain.sh
-missing
-mkinstalldirs
-*.pc
-*.tar.bz2
-*.tar.gz

src/.gitignore

@@ -1,14 +1,3 @@
-.deps
-.libs
-Makefile
-Makefile.in
-config.h
-config.h.in
-stamp-h1
-*.lo
-*.loT
-*.la
-*.o
 xproto.c
 xproto.h
 xcb_des.c
@@ -16,4 +5,3 @@ xcb_types.c
 xcb_types.h
 extensions
 X11
-check_all

tests/.gitignore

@@ -1,7 +1,3 @@
-.libs
-.deps
-*.o
-Makefile.in
 CheckLog.html
 CheckLog_xcb.xml
 check_all