RFR: Remove leftover include in C2

[Aleksey Shipilev]

On 11/29/18 5:05 PM, Roman Kennke wrote:
> This is not needed anymore, as of today's Roland's improvements:
> 
> Ok?
> 
> Roman
> 
> diff --git a/src/hotspot/share/opto/loopopts.cpp
> b/src/hotspot/share/opto/loopopts.cpp
> --- a/src/hotspot/share/opto/loopopts.cpp
> +++ b/src/hotspot/share/opto/loopopts.cpp
> @@ -44,9 +44,6 @@
>  #if INCLUDE_ZGC
>  #include "gc/z/c2/zBarrierSetC2.hpp"
>  #endif
> -#if INCLUDE_SHENANDOAHGC
> -#include "gc/shenandoah/c2/shenandoahBarrierSetC2.hpp"
> -#endif
> 
>  //=============================================================================
>  //------------------------------split_thru_phi---------------------------------

Yes, seems to be OK:
 https://builds.shipilev.net/patch-openjdk-shenandoah-jdk-only-shared/latest/src/hotspot/share/opto/loopopts.cpp.sdiff.html

-Aleksey