staging: rtl8192e: Remove unused variable bfirst_init

bfirst_init is six times set but never evaluated. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/d4f4552e5dbaa036a762590bf47bd5faff15b598.1674336211.git.philipp.g.hortmann@gmail.com


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