staging: r8188eu: remove UsbBulkOutSize from struct hal_data_8188e

UsbBulkOutSize in struct hal_data_8188e is only used to set a local
variable in rtl8188eu_xmitframe_complete(). Set the local variable
directly and remove UsbBulkOutSize from the hal_data_8188e structure.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220206144407.8397-1-straube.linux@gmail.com


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