fixing prefix and typo

networkdriver.py

@@ -25,12 +25,12 @@ def ofctl_command_execute(command):
     return return_val
 
 
-def nw_create(vm):
+def create(vm):
     for network in vm.network_list:
         port_create(network)
 
 
-def nw_delete(vm):
+def delete(vm):
     for network in vm.network_list:
         port_delete(network)
 

vm.py

@@ -8,7 +8,6 @@ class VMInstance:
     name = None
     arch = None
     vm_type = None
-    arch = None
     os_boot = None
     vcpu = None
     cpu_share = None