RFR(XS): 8163864: [JVMCI] move MethodProfileWidth to jvmci_globals.hpp

[Doug Simon]

s/remove/review

> On 11 Aug 2016, at 15:28, Doug Simon <doug.simon at oracle.com> wrote:
> 
> Please remove this small change to move MethodProfileWidth to the appropriate location.
> 
> https://bugs.openjdk.java.net/browse/JDK-8163864
> http://cr.openjdk.java.net/~dnsimon/8163864/
> 
> -Doug