Revert "Fix broken test cases by adding an is_empty function"

This reverts commit 4eb5727.

Author: bitterpanda63

aikido_zen/background_process/cloud_connection_manager/update_firewall_lists_test.py

@@ -141,15 +141,17 @@ def test_update_firewall_lists_no_token(connection_manager):
     connection_manager.token = None
     update_firewall_lists(connection_manager)
     # No changes should be made, so we check the initial state
-    assert connection_manager.conf.bypassed_ips.is_empty()
+    assert len(connection_manager.conf.bypassed_ips.blocked_subnets) == 0
+    assert len(connection_manager.conf.bypassed_ips.blocked_addresses) == 0
 
 
 def test_update_firewall_lists_serverless(connection_manager):
     # Set serverless to True
     connection_manager.serverless = True
     update_firewall_lists(connection_manager)
     # No changes should be made, so we check the initial state
-    assert connection_manager.conf.bypassed_ips.is_empty()
+    assert len(connection_manager.conf.bypassed_ips.blocked_subnets) == 0
+    assert len(connection_manager.conf.bypassed_ips.blocked_addresses) == 0
 
 
 def test_update_firewall_lists_api_failure(connection_manager):
@@ -161,7 +163,8 @@ def fetch_firewall_lists(self, token):
     connection_manager.api = FailingApi()
     update_firewall_lists(connection_manager)
     # No changes should be made, so we check the initial state
-    assert connection_manager.conf.bypassed_ips.is_empty()
+    assert len(connection_manager.conf.bypassed_ips.blocked_subnets) == 0
+    assert len(connection_manager.conf.bypassed_ips.blocked_addresses) == 0
 
 
 def test_update_firewall_lists_exception_handling(connection_manager):
@@ -173,4 +176,5 @@ def fetch_firewall_lists(self, token):
     connection_manager.api = ExceptionApi()
     update_firewall_lists(connection_manager)
     # No changes should be made, so we check the initial state
-    assert connection_manager.conf.bypassed_ips.is_empty()
+    assert len(connection_manager.conf.bypassed_ips.blocked_subnets) == 0
+    assert len(connection_manager.conf.bypassed_ips.blocked_addresses) == 0

aikido_zen/helpers/ip_matcher/__init__.py

@@ -42,6 +42,3 @@ def add(self, network):
             return self
         self.sorted.insert(idx, net)
         return self
-
-    def is_empty(self):
-        return len(self.sorted) == 0