staging: rtl8192e: Remove is_mesh from rtllib_send_probe_requests

Function rtllib_send_probe_requests() has unused parameter is_mesh.
Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/06a4c66112e22d6131711969dd4f5ac9fab91426.1690615475.git.philipp.g.hortmann@gmail.com


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