Remove cherrypy version check

Dependencies should be handled by installation, not at runtime.

nilmdb/server/server.py

@@ -15,12 +15,6 @@ import decorator
 import traceback
 import psutil
 
-try:
-    cherrypy.tools.json_out
-except: # pragma: no cover
-    sys.stderr.write("Cherrypy 3.2+ required\n")
-    sys.exit(1)
-
 class NilmApp(object):
     def __init__(self, db):
         self.db = db
@@ -191,7 +185,6 @@ class Stream(NilmApp):
     # /stream/insert?path=/newton/prep
     @cherrypy.expose
     @cherrypy.tools.json_out()
-    #@cherrypy.tools.disable_prb()
     def insert(self, path, start, end):
         """
         Insert new data into the database.  Provide textual data