CR: Fix consistency self._registry type

Author: dirixmjm

plugwise_usb/network/__init__.py

@@ -146,7 +146,7 @@ def nodes(
         return self._nodes
 
     @property
-    def registry(self) -> dict[int, tuple[str, NodeType | None]]:
+    def registry(self) -> list[str]:
         """Return dictionary with all registered (joined) nodes."""
         return self._register.registry
 

plugwise_usb/network/registry.py

@@ -158,12 +158,6 @@ def node_is_registered(self, mac: str) -> bool:
             return True
         return False
 
-    def network_controller(self) -> tuple[str, NodeType | None]:
-        """Return the registration for the network controller."""
-        if self._registry.get(-1) is None:
-            raise NodeError("Unable to return network controller details")
-        return self.registry[-1]
-
     async def update_network_nodetype(self, mac: str, node_type: NodeType) -> None:
         """Update NodeType inside registry and cache."""
         if self._network_cache is None or mac == "":