hg: jdk/jdk: 8212774: Remove dead code touching Klass::_lower_dimension

[coleen.phillimore at oracle.com]

Changeset: b705eb06588f
Author:    coleenp
Date:      2018-10-22 15:32 -0400
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/b705eb06588f

8212774: Remove dead code touching Klass::_lower_dimension
Summary: Found dead code removal while looking at usage of Compile_lock. This dead code doesn't have Compile_lock but other code touching Klass::_{upper,lower}_dimension do.
Reviewed-by: shade

! src/hotspot/share/oops/arrayKlass.hpp
! src/hotspot/share/runtime/reflection.cpp
! src/hotspot/share/runtime/reflection.hpp