staging: rtl8192e: Remove unused variables ForcedAMSDUMaxSize, ...

Remove unused variables that are may just once written but never read
ForcedAMSDUMaxSize, PeerBandwidth, SwBwStep, bIsPeerBcm and
bAcceptAddbaReq to avoid CamelCase which is not accepted by checkpatch.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/0f3e63030511f72dbadc0368fd5e2dbd3ff84e07.1664055213.git.philipp.g.hortmann@gmail.com


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