avocado_vt/plugins/vt.py: remove unused code

Signed-off-by: NCleber Rosa <crosa@redhat.com>

avocado_vt/plugins/vt.py

@@ -28,7 +28,6 @@ from virttest import defaults
 from virttest import standalone_test
 from virttest.standalone_test import SUPPORTED_TEST_TYPES
 from virttest.standalone_test import SUPPORTED_LIBVIRT_URIS
-from virttest.standalone_test import SUPPORTED_NET_TYPES
 
 from ..loader import VirtTestLoader
 
@@ -144,10 +143,6 @@ class VTRun(CLI):
         if run_subcommand_parser is None:
             return
 
-        qemu_nw_msg = "QEMU network option (%s). " % ", ".join(
-            SUPPORTED_NET_TYPES)
-        qemu_nw_msg += "Default: user"
-
         vt_compat_group_common = run_subcommand_parser.add_argument_group(
             'Virt-Test compat layer - Common options')
         vt_compat_group_qemu = run_subcommand_parser.add_argument_group(