Cleanup lingering mention of GMB

[Aleksey Shipilev]

On 03/01/2015 08:53 PM, Claes Redestad wrote:
> http://cr.openjdk.java.net/~redestad/jmh/gmb.webrev
> 
> Feel free to take this patch into consideration.

Thanks, pushed:
  https://bugs.openjdk.java.net/browse/CODETOOLS-7901318
  http://hg.openjdk.java.net/code-tools/jmh/rev/fdf8427d5f6c

-Aleksey.