Staging: wlan-ng: Update README file. Remove Lindent task

Remove Lindent changes as a TODO item in the wlan-ng directory of staging tree.
Signed-off-by: Mithlesh Thukral <mithlesh@linsyssoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/wlan-ng/README

 TODO:
 	- checkpatch.pl cleanups
 	- sparse warnings
-	- Lindent cleanups
 	- move to use the in-kernel wireless stack
 
 Please send any patches or complaints about this driver to Greg