hg: jdk/hs: 8159850: Remove unneeded parsing of optional-size when parsing array types

[harold.seigel at oracle.com]

Changeset: c6f2f91a1b4e
Author:    hseigel
Date:      2018-03-07 09:32 -0500
URL:       http://hg.openjdk.java.net/jdk/hs/rev/c6f2f91a1b4e

8159850: Remove unneeded parsing of optional-size when parsing array types
Summary: Remove skip_optional_size() methods and calls to them.
Reviewed-by: coleenp, iklam

! src/hotspot/share/runtime/fieldType.cpp
! src/hotspot/share/runtime/fieldType.hpp
! src/hotspot/share/runtime/signature.cpp
! src/hotspot/share/runtime/signature.hpp