kbuild: do not include include/config/auto.conf from adjust_autoksyms.sh

Commit cd195bc4 ("kbuild: split adjust_autoksyms.sh in two parts")
split out the code that needs include/config/auto.conf.

This script no longer needs to include include/config/auto.conf.

Fixes: cd195bc4 ("kbuild: split adjust_autoksyms.sh in two parts")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/adjust_autoksyms.sh

@@ -34,9 +34,6 @@ case "$KBUILD_VERBOSE" in
 	;;
 esac
 
-# We need access to CONFIG_ symbols
-. include/config/auto.conf
-
 # Generate a new symbol list file
 $CONFIG_SHELL $srctree/scripts/gen_autoksyms.sh "$new_ksyms_file"