staging: rtl8192e: Remove checks of pointer to LeisureP.. and start_se..

Function pointers of LeisurePSLeave and start_send_beacons is set while
executing the probe function. Therefore a NULL pointer check is not
required. Remove checks as it is dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/cd828bb1c8dfbb6d2a85d770c82afbb9889e0ea2.1677345331.git.philipp.g.hortmann@gmail.com


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