[LTP] Reason for -DNO_LTP / %no_ltp in testcases/kernel/containers/*

[Garrett C. <yan...@gm...>]

Hi again,
	Just wondering if there was a continued need for the NO_LTP flag /  
targets in testcases/kernel/containers/*. I've figured out a way  
around it to some extent, but I'd like to avoid duplication /  
unnecessary logic if at all necessary.
Thanks,
-Garrett