hg: jigsaw/jake/hotspot: 8167487: Remove unused module related JVM API's

[harold.seigel at oracle.com]

Changeset: 3b0fd4bfd0a4
Author:    hseigel
Date:      2016-10-13 13:03 -0400
URL:       http://hg.openjdk.java.net/jigsaw/jake/hotspot/rev/3b0fd4bfd0a4

8167487: Remove unused module related JVM API's
Summary: Remove JVM_CanReadModule() and JVM_IsExportedToModule()and the functions that only they call.
Reviewed-by: lfoltan

! make/symbols/symbols-unix
! src/share/vm/classfile/modules.cpp
! src/share/vm/classfile/modules.hpp
! src/share/vm/prims/jvm.cpp
! src/share/vm/prims/jvm.h
! src/share/vm/prims/whitebox.cpp
- test/runtime/modules/JVMCanReadModule.java
- test/runtime/modules/JVMIsExportedToModule.java
! test/runtime/modules/ModuleHelper.java