staging: rtl8192u: Remove unnecessary blank lines

This patch fixes the file r8180_93cx6.c to avoid the checkpatch.pl warning:

	CHECK: Please don't use multiple blank lines

Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
Link: https://lore.kernel.org/r/20190822145545.19894-1-sylphrenadin@gmail.com


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