virt-manager: drop libvirt 0.6.0 version check

This is comically old and completely unrealistic anyone would
attempt to use that nowadays.

Signed-off-by: Cole Robinson <crobinso@redhat.com>

tests/test_conn.py

@@ -19,7 +19,6 @@ class TestConn(unittest.TestCase):
         # Misc API checks
         conn = cli.getConnection("test:///default")
         conn.invalidate_caps()
-        assert conn.libvirt_new_enough_for_virtmanager(1000) is True
         assert conn.is_open() is True
         assert conn.is_container_only() is False
         assert conn.is_openvz() is False

virtManager/virtmanager.py

@@ -17,7 +17,6 @@ gi.require_version('LibvirtGLib', '1.0')
 from gi.repository import LibvirtGLib
 
 from virtinst import BuildConfig
-from virtinst import VirtinstConnection
 from virtinst import cli
 from virtinst import log
 
@@ -231,12 +230,6 @@ def main():
                   Gtk.get_minor_version(),
                   Gtk.get_micro_version())
 
-    if not VirtinstConnection.libvirt_new_enough_for_virtmanager(6000):
-        # We need this version for threaded virConnect access
-        _show_startup_error(
-                _("virt-manager requires libvirt 0.6.0 or later."), "")
-        return
-
     # Prime the vmmConfig cache
     from . import config
     config.vmmConfig.get_instance(BuildConfig, CLITestOptions)

virtinst/connection.py

@@ -38,10 +38,6 @@ class VirtinstConnection(object):
     - lookup for API feature support
     - simplified API wrappers that handle new and old ways of doing things
     """
-    @staticmethod
-    def libvirt_new_enough_for_virtmanager(version):
-        return _real_local_libvirt_version() >= version
-
     @staticmethod
     def get_app_cache_dir():
         ret = os.environ.get("XDG_CACHE_HOME")