staging: rtl8188eu: unused MEM_ALIGNMENT_OFFSET and MEM_ALIGNMENT_PADDING macros removed

This patch removes unused MEM_ALIGNMENT_OFFSET and MEM_ALIGNMENT_PADDING macros
from include/basic_types.h.

Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>