hg: jdk/hs: 8198447: Remove ClassLoaderExt::check().

[jiangli.zhou at oracle.com]

Changeset: 4ad0085ad6d2
Author:    jiangli
Date:      2018-03-05 14:24 -0500
URL:       http://hg.openjdk.java.net/jdk/hs/rev/4ad0085ad6d2

8198447: Remove ClassLoaderExt::check().
Summary: ClassLoaderExt::check() is no longer needed, remove.
Reviewed-by: lfoltan, ccheung

! src/hotspot/share/classfile/classLoader.cpp
! src/hotspot/share/classfile/classLoaderExt.cpp
! src/hotspot/share/classfile/classLoaderExt.hpp