wifi: mac80211: Remove unused basic_rates variable

The basic_rates variable was passed to mesh_sta_info_init as an out
parameter even though the result is not used. Passing NULL instead is
safe here, so do that.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.23a86a9bad0c.If79bc2c1c98d01cfb4c7e93c18b198fe6c6ea44c@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>