Remove spurious POST_UNINSTALL hook usage

A couple of patches make use of XXX_POST_UNINSTALL_TARGET_HOOKS, which
is not a hook set that Buildroot actually supports.

Signed-off-by: Simon Dawson <spdawson@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ccid/ccid.mk

@@ -19,11 +19,4 @@ endef
 CCID_POST_INSTALL_TARGET_HOOKS += CCID_INSTALL_UDEV_RULES
 endif
 
-define CCID_REMOVE_UDEV_RULES
-	if test -d $(TARGET_DIR)/etc/udev/rules.d ; then \
-		rm -f $(TARGET_DIR)/etc/udev/rules.d/92_pcscd_ccid.rules ; \
-	fi;
-endef
-CCID_POST_UNINSTALL_TARGET_HOOKS += CCID_REMOVE_UDEV_RULES
-
 $(eval $(autotools-package))

package/xenomai/xenomai.mk

@@ -108,14 +108,4 @@ endef
 XENOMAI_POST_INSTALL_TARGET_HOOKS += XENOMAI_INSTALL_UDEV_RULES
 endif # udev
 
-define XENOMAI_REMOVE_UDEV_RULES
-	if test -d $(TARGET_DIR)/etc/udev/rules.d ; then \
-		for f in $(@D)/ksrc/nucleus/udev/*.rules ; do \
-			rm -f $(TARGET_DIR)/etc/udev/rules.d/$$f ; \
-		done ; \
-	fi;
-endef
-
-XENOMAI_POST_UNINSTALL_TARGET_HOOKS += XENOMAI_REMOVE_UDEV_RULES
-
 $(eval $(autotools-package))