cleanup: remove unused imports and dead code

config.py

@@ -8,7 +8,6 @@ class Config(ComboParser):
         self.torhosts = [ str(i).strip() for i in self.common.tor_hosts.split(',') ]
         # threads config = per-host value, multiply by Tor host count
         self.watchd.threads = self.watchd.threads * len(self.torhosts)
-        #with open('servers.txt', 'r') as handle:
         with open(self.watchd.source_file, 'r') as handle:
             self.servers = [x.strip() for x in handle.readlines() if len(x.strip()) > 0]
         # Parse checktypes as comma-separated list