chore(ProtocolClient): remove start method

Author: JKRhb

lib/src/binding_coap/coap_client.dart

@@ -438,11 +438,6 @@ final class CoapClient implements ProtocolClient {
     return CoapSubscription(coapClient, null, complete);
   }
 
-  @override
-  Future<void> start() async {
-    // Do nothing
-  }
-
   @override
   Future<void> stop() async {}
 

lib/src/binding_http/http_client.dart

@@ -263,11 +263,6 @@ final class HttpClient implements ProtocolClient {
     return _contentFromResponse(form, response);
   }
 
-  @override
-  Future<void> start() async {
-    // Do nothing
-  }
-
   @override
   Future<void> stop() async {
     _client.close();

lib/src/binding_mqtt/mqtt_client.dart

@@ -166,11 +166,6 @@ final class MqttClient implements ProtocolClient {
       ..disconnect();
   }
 
-  @override
-  Future<void> start() async {
-    // Do nothing
-  }
-
   @override
   Future<void> stop() async {
     // Do nothing

lib/src/core/implementation/protocol_interfaces/protocol_client.dart

@@ -10,9 +10,6 @@ import "../content.dart";
 
 /// Base class for a Protocol Client.
 abstract interface class ProtocolClient {
-  /// Starts this [ProtocolClient].
-  Future<void> start();
-
   /// Stops this [ProtocolClient].
   Future<void> stop();
 

test/binding_coap/binding_coap_test.dart

@@ -52,8 +52,6 @@ void main() {
 
       final coapClient = await defaultClientFactory.createClient();
 
-      await coapClient.start();
-
       await coapClient.stop();
 
       expect(defaultClientFactory.destroy(), true);

test/core/discovery_test.dart

@@ -203,11 +203,6 @@ class _MockedProtocolClient implements ProtocolClient {
     throw StateError("Encountered invalid URL.");
   }
 
-  @override
-  Future<void> start() async {
-    // Do nothing
-  }
-
   @override
   Future<void> stop() async {
     // Do nothing