RFR: 8164829 & 8164830: back out jdeprscan

[Stuart Marks]

Sigh, I just pushed jdeprscan and our internal builds failed various source code 
checks. I haven't fully determined why, so meanwhile I'll just back everything 
out. Webrevs:

langtools -

     http://cr.openjdk.java.net/~smarks/reviews/8164829/webrev.0/

jdk -

     http://cr.openjdk.java.net/~smarks/reviews/8164830/webrev.0/

Please review.

Thanks.

s'marks