hg: jdk/jdk: 8218738: Remove dead code in Symbol and friends

[claes.redestad at oracle.com]

Changeset: ee45b48c9e4a
Author:    redestad
Date:      2019-02-12 19:22 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/ee45b48c9e4a

8218738: Remove dead code in Symbol and friends
Reviewed-by: coleenp, lfoltan, dholmes

! src/hotspot/share/oops/symbol.cpp
! src/hotspot/share/oops/symbol.hpp
! src/hotspot/share/utilities/utf8.cpp
! src/hotspot/share/utilities/utf8.hpp