rm unnecessary export wrt #467374

--- eclass/games.eclass
+++ eclass/games.eclass
@@ -19,20 +19,20 @@
 	*) die "no support for EAPI=${EAPI} yet" ;;
 esac
 
-export GAMES_PREFIX=${GAMES_PREFIX:-/usr/games}
-export GAMES_PREFIX_OPT=${GAMES_PREFIX_OPT:-/opt}
-export GAMES_DATADIR=${GAMES_DATADIR:-/usr/share/games}
-export GAMES_DATADIR_BASE=${GAMES_DATADIR_BASE:-/usr/share} # some packages auto append 'games'
-export GAMES_SYSCONFDIR=${GAMES_SYSCONFDIR:-/etc/games}
-export GAMES_STATEDIR=${GAMES_STATEDIR:-/var/games}
-export GAMES_LOGDIR=${GAMES_LOGDIR:-/var/log/games}
-export GAMES_BINDIR=${GAMES_BINDIR:-${GAMES_PREFIX}/bin}
-export GAMES_ENVD="90games"
+GAMES_PREFIX=${GAMES_PREFIX:-/usr/games}
+GAMES_PREFIX_OPT=${GAMES_PREFIX_OPT:-/opt}
+GAMES_DATADIR=${GAMES_DATADIR:-/usr/share/games}
+GAMES_DATADIR_BASE=${GAMES_DATADIR_BASE:-/usr/share} # some packages auto append 'games'
+GAMES_SYSCONFDIR=${GAMES_SYSCONFDIR:-/etc/games}
+GAMES_STATEDIR=${GAMES_STATEDIR:-/var/games}
+GAMES_LOGDIR=${GAMES_LOGDIR:-/var/log/games}
+GAMES_BINDIR=${GAMES_BINDIR:-${GAMES_PREFIX}/bin}
+GAMES_ENVD="90games"
 # if you want to use a different user/group than games.games,
 # just add these two variables to your environment (aka /etc/profile)
-export GAMES_USER=${GAMES_USER:-root}
-export GAMES_USER_DED=${GAMES_USER_DED:-games}
-export GAMES_GROUP=${GAMES_GROUP:-games}
+GAMES_USER=${GAMES_USER:-root}
+GAMES_USER_DED=${GAMES_USER_DED:-games}
+GAMES_GROUP=${GAMES_GROUP:-games}
 
 games_get_libdir() {
 	echo ${GAMES_PREFIX}/$(get_libdir)