staging: r8188eu: remove unneeded initializations

The variables i and offset in block_write() are set in the code
before they are used. Remove the unneeded initializations.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220412185754.8695-6-straube.linux@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>