Revert "Skip octavia tests with compute when using fixed networks"

This reverts commit 95104e93f990b79f3febf432b939e9b2176c056a.

Reason for revert: ironic+fixed network is handled by overrides

Change-Id: I1beaf80ae2fccb9abd934bc002d324219952d9b8
diff --git a/octavia_tempest_plugin/tests/test_base.py b/octavia_tempest_plugin/tests/test_base.py
index 8082450..b491c5c 100644
--- a/octavia_tempest_plugin/tests/test_base.py
+++ b/octavia_tempest_plugin/tests/test_base.py
@@ -543,17 +543,6 @@
 
 
 class LoadBalancerBaseTestWithCompute(LoadBalancerBaseTest):
-
-    @classmethod
-    def skip_checks(cls):
-        """Check if we should skip all of the children tests."""
-        super(LoadBalancerBaseTest, cls).skip_checks()
-
-        # TODO(vsaienko): Implement tests for fixed network.
-        if not CONF.auth.create_isolated_networks:
-            msg = ('Skip tests as they require dynamic networks.')
-            raise cls.skipException(msg)
-
     @classmethod
     def resource_setup(cls):
         super(LoadBalancerBaseTestWithCompute, cls).resource_setup()