Cleaned up / removed old MQTT client.

Sources/DewPointEnvironment/Environment.swift

@@ -5,20 +5,17 @@ import MQTTNIO
 
 public struct DewPointEnvironment {
   
-  public var mqttClient: Client.MQTTClient
   public var envVars: EnvVars
-  public var nioClient: MQTTNIO.MQTTClient
+  public var mqttClient: MQTTNIO.MQTTClient
   public var topics: Topics
   
   public init(
-    mqttClient: Client.MQTTClient,
     envVars: EnvVars,
-    nioClient: MQTTNIO.MQTTClient,
+    mqttClient: MQTTNIO.MQTTClient,
     topics: Topics = .init()
   ) {
-    self.mqttClient = mqttClient
     self.envVars = envVars
-    self.nioClient = nioClient
+    self.mqttClient = mqttClient
     self.topics = topics
   }
 }