git: openjdk/jdk: 8254353: Remove unused non-product flags

[Claes Redestad]

Changeset: 77c77627
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2020-10-11 21:59:52 +0000
URL:       https://git.openjdk.java.net/jdk/commit/77c77627

8254353: Remove unused non-product flags

Reviewed-by: iignatyev, kvn

! src/hotspot/share/runtime/arguments.cpp
! src/hotspot/share/runtime/globals.hpp
! src/hotspot/share/utilities/debug.cpp