remove tahoe-dirnodes.py munin plugin, it is way obsolete

misc/munin/tahoe-dirnodes.py

@@ -1,38 +0,0 @@
-#! /usr/bin/python
-
-# This is a munin plugin to track the number of directory nodes that a vdrive
-# server is maintaining on behalf of other nodes. If a mesh has only one
-# vdrive server (or if clients are only bothering to use a single one), then
-# this will be equal to the number of dirnodes in use in the entire mesh.
-
-# Copy this plugin into /etc/munun/plugins/tahoe-dirnodes and then put
-# the following in your /etc/munin/plugin-conf.d/foo file to let it know
-# where to find the basedirectory for the vdrive server.
-#
-#  [tahoe-dirnodes]
-#  env.basedir /path/to/vdrivenode
-
-import os, sys
-
-nodedir = os.environ["basedir"]
-
-configinfo = \
-"""graph_title Allmydata Tahoe Dirnode Count
-graph_vlabel dirnodes
-graph_category tahoe
-graph_info This graph shows the number of directory nodes hosted by this vdrive server
-dirnodes.label dirnodes
-dirnodes.draw LINE2
-"""
-
-
-if len(sys.argv) > 1:
-    if sys.argv[1] == "config":
-        print configinfo.rstrip()
-        sys.exit(0)
-
-dirnodes = len(os.listdir(os.path.join(nodedir, "vdrive")))
-if os.path.exists(os.path.join(nodedir, "vdrive", "root")):
-    dirnodes -= 1 # the 'root' pointer doesn't count
-print "dirnodes.value %d" % dirnodes
-