Revert "Follow up on comments on changes bootstrap tests (#91803)"

This reverts commit 4de124cdd5.

tests/test_bootstrap.py

@@ -886,10 +886,8 @@ async def test_bootstrap_dependencies(
             dependencies=["file_upload", "http"],
         ),
     )
-
-    # We mock the MQTT integration and integrations that depend on it
-    # to make sure that core tests will not fail when non core components are changed
     mqtt_integration._import_platform = Mock()
+    # mqtt_integration.async_migrate = AsyncMock(return_value=False)
 
     integrations = {
         "mqtt": {