removed obsolete explorer

Signed-off-by: Steven Armstrong <steven.armstrong@inf.ethz.ch>

conf/explorer/pkg_system

@@ -1,32 +0,0 @@
-#!/bin/sh
-#
-# 2010 Nico Schottelius (nico-cdist at schottelius.org)
-#
-# This file is part of cdist.
-#
-# cdist is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# cdist is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with cdist. If not, see <http://www.gnu.org/licenses/>.
-#
-#
-
-os="$("$__explorer/os")"
-
-case "$os" in
-      archlinux) echo pacman ;;
-      debian|ubuntu) echo apt ;;
-      gentoo) echo emerge ;;
-      *)
-         echo "Unknown OS: $os" >&2
-         exit 1
-      ;;
-esac