Staging: vt6655: Remove BBvCalculateParameter comment.

Remove comment that refers to function that no longer exists.
Signed-off-by: Briana Oursler <briana.oursler@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200328200331.136265-1-briana.oursler@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/baseband.c

@@ -13,8 +13,6 @@
  *
  * Functions:
  *      BBuGetFrameTime        - Calculate data frame transmitting time
- *      BBvCalculateParameter   - Calculate PhyLength, PhyService and Phy Signal
- *                               parameter for baseband Tx
  *      BBbReadEmbedded         - Embedded read baseband register via MAC
  *      BBbWriteEmbedded        - Embedded write baseband register via MAC
  *      BBbVT3253Init          - VIA VT3253 baseband chip init code