kbuild: remove VERSION and PATCHLEVEL from $(objtree)/Makefile

Neither VERSION nor PATCHLEVEL is used in any useful way.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Makefile

@@ -494,8 +494,7 @@ PHONY += outputmakefile
 outputmakefile:
 ifneq ($(KBUILD_SRC),)
 	$(Q)ln -fsn $(srctree) source
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
-	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) $(objtree)
 endif
 
 ifeq ($(cc-name),clang)

scripts/mkmakefile

@@ -7,9 +7,6 @@
 # Usage
 # $1 - Kernel src directory
 # $2 - Output directory
-# $3 - version
-# $4 - patchlevel
-
 
 test ! -r $2/Makefile -o -O $2/Makefile || exit 0
 # Only overwrite automatically generated Makefiles
@@ -25,9 +22,6 @@ fi
 cat << EOF > $2/Makefile
 # Automatically generated by $0: don't edit
 
-VERSION = $3
-PATCHLEVEL = $4
-
 lastword = \$(word \$(words \$(1)),\$(1))
 makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))