staging: r8188: ODM_BB_RA_MASK is always set

Remove the ODM_BB_RA_MASK capability. It is always set for this driver.

Like for ODM_BB_DIG before, we can be sure that ODM_BB_RA_MASK was never
checked before it was set.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211218120423.29906-10-martin@kaiser.cx


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