delete duplicate variable definition

CALLED_FROM_SETUP and BUILD_SYSTEM set in get_build_var before make execution
no need to set them before calling get_build_var function

Change-Id: Ia79e11e5e3aa5c7fd337b989c16d50750b6c1442
Signed-off-by: Andrey Belous <belous.andrey@gmail.com>
1 file changed