ppc64 got stable ruby23. Drop explicit override.
# Michał Górny <mgorny@gentoo.org> (27 Jun 2014)
# Make the ABI flag implicit for compatibility with native ebuilds.
IUSE_IMPLICIT="abi_ppc_32 -abi_ppc_64"
-
-# Sergei Trofimovich <slyfox@gentoo.org> (14 Mar 2018)
-# We need to match up to 'arch/powerpc/ppc32' defaults here.
-# Remove it when ruby23 goes stable on ppc64
-RUBY_TARGETS="ruby22 ruby23"
+++ /dev/null
-# Copyright 1999-2018 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-# This file requires eapi 5 or later. New entries go on top.
-# Please use the same syntax as in use.mask
-
-# Sergei Trofimovich <slyfox@gentoo.org> (14 Mar 2018)
-# We need to match up to 'arch/powerpc/ppc32' defaults here.
-# Remove it when ruby23 goes stable on ppc64
--ruby_targets_ruby23