staging: rtl8192e: Remove unchanged variables bfsync_processing and more

Remove unchanged variable bfsync_processing and
rfc_txpowertrackingindex_real to shorten code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/cb609f904d988febaa579526514586877b1dabf7.1681627603.git.philipp.g.hortmann@gmail.com


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