package/x11r7/xcb-proto: remove pkgconf fix

Not needed anymore after pkgconf bump.

Fixes
http://autobuild.buildroot.net/results/175/1752915119b795c916d75594e51a7c79126afd5f/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/x11r7/xcb-proto/xcb-proto.mk

@@ -15,15 +15,5 @@ XCB_PROTO_INSTALL_STAGING = YES
 XCB_PROTO_DEPENDENCIES = host-python
 HOST_XCB_PROTO_DEPENDENCIES = host-python
 
-# xcbincludedir/pythondir is used by E.G. libxcb at build time to find the
-# xml / python files, so ensure these expand to their full (host) paths
-define XCB_PROTO_FIXUP_PC_FILE
-	$(SED) 's|^\(xcbincludedir=\)|\1$(STAGING_DIR)|' \
-		-e 's|^\(pythondir=\)|\1$(STAGING_DIR)|' \
-		$(STAGING_DIR)/usr/lib/pkgconfig/xcb-proto.pc
-endef
-
-XCB_PROTO_POST_INSTALL_STAGING_HOOKS += XCB_PROTO_FIXUP_PC_FILE
-
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))