monitoring-plugins: rename from nagiosPluginsOfficial

The upstream project has renamed itself.

We now stick this into a folder where we can keep other shared monitoring plugins.

pkgs/servers/monitoring/nagios/plugins/official-2.x.nix

@@ -1,36 +0,0 @@
-{ stdenv, fetchurl, openssh, openssl }:
-
-stdenv.mkDerivation rec {
-  name = "nagios-plugins-${version}";
-  version = "2.2.0";
-
-  src = fetchurl {
-    url = "http://nagios-plugins.org/download/${name}.tar.gz";
-    sha256 = "074yia04py5y07sbgkvri10dv8nf41kqq1x6kmwqcix5vvm9qyy3";
-  };
-
-  # !!! Awful hack. Grrr... this of course only works on NixOS.
-  # Anyway the check that configure performs to figure out the ping
-  # syntax is totally impure, because it runs an actual ping to
-  # localhost (which won't work for ping6 if IPv6 support isn't
-  # configured on the build machine).
-  preConfigure= "
-    configureFlagsArray=(
-      --with-ping-command='/run/wrappers/bin/ping -4 -n -U -w %d -c %d %s'
-      --with-ping6-command='/run/wrappers/bin/ping -6 -n -U -w %d -c %d %s'
-    )
-  ";
-
-  postInstall = "ln -s libexec $out/bin";
-
-  # !!! make openssh a runtime dependency only
-  buildInputs = [ openssh openssl ];
-
-  meta = {
-    description = "Official plugins for Nagios";
-    homepage    = http://www.nagios.org/download/plugins;
-    license     = stdenv.lib.licenses.gpl2;
-    platforms   = stdenv.lib.platforms.linux;
-    maintainers = with stdenv.lib.maintainers; [ thoughtpolice relrod ];
-  };
-}