staging: vt6655: Remove extra blank lines between code blocks

Adhere to Linux kernel coding style.

Reported by checkpatch:

drivers/staging/vt6655/rxtx.h:22: CHECK: Please don't use multiple blank lines
Signed-off-by: Pranav Athreya <pranavsubbu@gmail.com>
Link: https://lore.kernel.org/r/ZaDFm6XX7HiGWn58@pop-osSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/rxtx.h

@@ -19,7 +19,6 @@
 #define DEFAULT_MSDU_LIFETIME_RES_64us	8000 /* 64us */
 #define DEFAULT_MGN_LIFETIME_RES_64us	125  /* 64us */
 
-
 /*---------------------  Export Definitions -------------------------*/
 
 /*---------------------  Export Variables  --------------------------*/