Makefile: remove dead code (TARGET_SKELETON_PATCH)

TARGET_SKELETON_PATCH is no longer in use, so remove it.

Signed-off-by: Bjørn Forsman <bjorn.forsman@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

Makefile

@@ -422,9 +422,6 @@ $(BUILD_DIR)/.root:
 		if [ -d "$(TARGET_SKELETON)" ]; then \
 			cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
 		fi; \
-		if [ -d "$(TARGET_SKELETON_PATCH)" ]; then \
-			toolchain/patch-kernel.sh $(TARGET_DIR) $(TARGET_SKELETON_PATCH)/ \*patch\*; \
-		fi; \
 		touch $(STAGING_DIR)/.fakeroot.00000; \
 	fi
 	-find $(TARGET_DIR) -type d -name CVS -print0 -o -name .svn -print0 | xargs -0 rm -rf