um: remove unused filechk_gen_header in Makefile

This is a leftover of commit ecba97d4aacf ("[PATCH] uml makefiles
sanitized").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/arch/um/Makefile b/arch/um/Makefile
index c0803590484946f4a5dfc2bcc558e87572f39e2c..273130cf91d1203ffcfef0662b515cc06ad1c066 100644 (file)
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -23,8 +23,6 @@ OS := $(shell uname -s)
 # features.
 SHELL := /bin/bash
 
-filechk_gen_header = $<
-
 core-y                 += $(ARCH_DIR)/kernel/          \
                           $(ARCH_DIR)/drivers/         \
                           $(ARCH_DIR)/os-$(OS)/