hg: jdk/jdk: 8216197: Remove unused new_hash methods

[claes.redestad at oracle.com]

Changeset: 488773472a63
Author:    redestad
Date:      2019-01-07 10:21 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/488773472a63

8216197: Remove unused new_hash methods
Reviewed-by: kbarrett, dholmes

! src/hotspot/share/oops/metadata.hpp
! src/hotspot/share/oops/oop.cpp
! src/hotspot/share/oops/oop.hpp
! src/hotspot/share/oops/symbol.cpp
! src/hotspot/share/oops/symbol.hpp