Remove mqtt dependency from manifest

homeassistant/components/arwn/manifest.json

@@ -2,7 +2,6 @@
   "domain": "arwn",
   "name": "Ambient Radio Weather Network",
   "codeowners": [],
-  "dependencies": ["mqtt"],
   "documentation": "https://www.home-assistant.io/integrations/arwn",
   "iot_class": "local_polling",
   "quality_scale": "legacy"

homeassistant/components/manual_mqtt/manifest.json

@@ -2,7 +2,6 @@
   "domain": "manual_mqtt",
   "name": "Manual MQTT Alarm Control Panel",
   "codeowners": [],
-  "dependencies": ["mqtt"],
   "documentation": "https://www.home-assistant.io/integrations/manual_mqtt",
   "iot_class": "local_push",
   "quality_scale": "legacy"

homeassistant/components/mqtt_json/manifest.json

@@ -2,7 +2,6 @@
   "domain": "mqtt_json",
   "name": "MQTT JSON",
   "codeowners": [],
-  "dependencies": ["mqtt"],
   "documentation": "https://www.home-assistant.io/integrations/mqtt_json",
   "iot_class": "local_push",
   "quality_scale": "legacy"

homeassistant/components/mqtt_room/manifest.json

@@ -2,7 +2,6 @@
   "domain": "mqtt_room",
   "name": "MQTT Room Presence",
   "codeowners": [],
-  "dependencies": ["mqtt"],
   "documentation": "https://www.home-assistant.io/integrations/mqtt_room",
   "iot_class": "local_push",
   "quality_scale": "legacy"

script/hassfest/dependencies.py

@@ -161,6 +161,12 @@ IGNORE_VIOLATIONS = {
     # This would be a circular dep
     ("http", "network"),
     ("http", "cloud"),
+    # These integrations use a platform setup and could cause a deadlock
+    # as they wait for the MQTT to set up.
+    ("arwn", "mqtt"),
+    ("manual_mqtt", "mqtt"),
+    ("mqtt_json", "mqtt"),
+    ("mqtt_room", "mqtt"),
     # This would be a circular dep
     ("zha", "homeassistant_hardware"),
     ("zha", "homeassistant_sky_connect"),