staging: rtl8192e: Remove unused function rtllib_start_master_bss()

Remove unused functions rtllib_start_master_bss(), rtllib_rx_assoc_rq()
and rtllib_rx_auth_rq() and resulting unused functions.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ac2012d94fe4ff705cc900bb1cf2d58bc81c77f0.1691908402.git.philipp.g.hortmann@gmail.com


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