Axe some dead code

app/models.py

@@ -196,15 +196,6 @@ class Contact(BaseModel):
         """Convert the stored contact to the repository's write contract."""
         return ContactUpsert.from_contact(self, **changes)
 
-    @staticmethod
-    def from_radio_dict(public_key: str, radio_data: dict, on_radio: bool = False) -> dict:
-        """Backward-compatible dict wrapper over ContactUpsert.from_radio_dict()."""
-        return ContactUpsert.from_radio_dict(
-            public_key,
-            radio_data,
-            on_radio=on_radio,
-        ).model_dump()
-
 
 class CreateContactRequest(BaseModel):
     """Request to create a new contact."""
@@ -850,19 +841,6 @@ class AppSettings(BaseModel):
     )
 
 
-class FanoutConfig(BaseModel):
-    """Configuration for a single fanout integration."""
-
-    id: str
-    type: str  # 'mqtt_private' | 'mqtt_community' | 'bot' | 'webhook' | 'apprise' | 'sqs'
-    name: str
-    enabled: bool
-    config: dict
-    scope: dict
-    sort_order: int = 0
-    created_at: int = 0
-
-
 class BusyChannel(BaseModel):
     channel_key: str
     channel_name: str