RFR: 8205679: Remove unused ThreadLocalAllocBuffer::undo_allocate()

[Stefan Karlsson]

I'm fine with this removal.

StefanK

On 2018-06-26 12:45, Per Liden wrote:
> After JDK-8205676, the function ThreadLocalAllocBuffer::undo_allocate() 
> is unused and can be removed.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8205679
> Webrev: http://cr.openjdk.java.net/~pliden/8205679/webrev.0
> 
> /Per