gdk: Remove unused macros from build

Both ALL_FILES and INCLUDE_VARIABLES don't exist anymore

gdk/Makefile.am

@@ -278,7 +278,7 @@ endif
 # This places the generated .def file in srcdir, since it is expected to be there.
 # (The one from a tarball is)
 gdk.def: gdk.symbols
-	(echo -e EXPORTS; $(CPP) -P -DALL_FILES -DGDK_WINDOWING_WIN32 -DINCLUDE_VARIABLES - <$(srcdir)/gdk.symbols | sed -e '/^$$/d' -e 's/^/	/' -e 's/G_GNUC_[^ ]*//g') > $(srcdir)/gdk.def
+	(echo -e EXPORTS; $(CPP) -P -DGDK_WINDOWING_WIN32 - <$(srcdir)/gdk.symbols | sed -e '/^$$/d' -e 's/^/	/' -e 's/G_GNUC_[^ ]*//g') > $(srcdir)/gdk.def
 
 TESTS_ENVIRONMENT = srcdir="$(srcdir)"
 if OS_LINUX

gdk/abicheck.sh

 #! /bin/sh
 
-cpp -DINCLUDE_VARIABLES -P -DALL_FILES -DGDK_ENABLE_BROKEN -include ../config.h -include ./gdkconfig.h ${srcdir:-.}/gdk.symbols | sed -e '/^$/d' -e 's/ G_GNUC.*$//' | sort | uniq > expected-abi
+cpp -P -DGDK_ENABLE_BROKEN -include ../config.h -include ./gdkconfig.h ${srcdir:-.}/gdk.symbols | sed -e '/^$/d' -e 's/ G_GNUC.*$//' | sort | uniq > expected-abi
 nm -D -g --defined-only .libs/libgdk-x11-3.0.so | cut -d ' ' -f 3 | egrep -v '^(__bss_start|_edata|_end)' | sort > actual-abi
 diff -u expected-abi actual-abi && rm -f expected-abi actual-abi

gdk/makefile.msc

@@ -132,7 +132,7 @@ gdkconfig.h : gdkconfig.h.win32
 
 gdk.def: gdk.symbols
 	echo EXPORTS > gdk.def
-	cl /EP -DINCLUDE_VARIABLES -DG_OS_WIN32 -DGDK_WINDOWING_WIN32 -DALL_FILES \
+	cl /EP -DG_OS_WIN32 -DGDK_WINDOWING_WIN32 \
 		-DG_GNUC_CONST= \
 		gdk.symbols >> gdk.def