staging:vt6656:main_usb.c Removed un-needed blank lines

Fixed the following checkpatch warnings by deleting blank lines
Blank lines aren't necessary before a close brace '}'
Blank lines aren't necessary after an open brace '{'
Please don't use multiple blank lines

Signed-off-by: Scott Matheina <scott@matheina.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>