slapformat: Remove useless tun route configuration

slapos/format.py

@@ -959,8 +959,6 @@ class Tun(Tap):
     else:
       raise RuntimeError("Cannot setup address on interface {}. "
                          "Address is missing.".format(self.name))
-    # create routes
-    super(Tun, self).createRoutes()
     # add iptables rule to accept connections from this interface
     chain_rule = ['INPUT', '-i', self.name, '-j', 'ACCEPT']
     code, _ = callAndRead(['iptables', '-C'] + chain_rule, raise_on_error=False)