RFR(T) 8217319: Cleanup Shenandoah includes

[Aleksey Shipilev]

On 1/17/19 5:53 PM, Zhengyu Gu wrote:
> Please review this trivial cleanup, that removes includes of .hpp files if corresponding .inline.hpp
> files are also included.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8217319
> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8217319/webrev.00/

Looks good!

-Aleksey