Remove reference to defunct droneos service

src/ui/MAVLinkSettingsWidget.cc

@@ -48,7 +48,7 @@ MAVLinkSettingsWidget::MAVLinkSettingsWidget(MAVLinkProtocol* protocol, QWidget
     // AUTH
     m_ui->droneOSCheckBox->setChecked(protocol->getAuthEnabled());
     QSettings settings;
-    m_ui->droneOSComboBox->setCurrentIndex(m_ui->droneOSComboBox->findText(settings.value("DRONEOS_HOST", "droneos.com:14555").toString()));
+    m_ui->droneOSComboBox->setCurrentIndex(m_ui->droneOSComboBox->findText(settings.value("DRONELINK_HOST", "dronelink.io:14555").toString()));
     m_ui->droneOSLineEdit->setText(protocol->getAuthKey());
 
     // Initialize state
@@ -169,7 +169,7 @@ void MAVLinkSettingsWidget::enableDroneOS(bool enable)
         // Set key
         protocol->setAuthKey(m_ui->droneOSLineEdit->text().trimmed());
         QSettings settings;
-        settings.setValue("DRONEOS_HOST", m_ui->droneOSComboBox->currentText());
+        settings.setValue("DRONELINK_HOST", m_ui->droneOSComboBox->currentText());
     }
     protocol->enableAuth(enable);
 }

src/ui/MAVLinkSettingsWidget.ui

@@ -146,7 +146,7 @@
      </property>
      <item>
       <property name="text">
-       <string>mavlink.droneos.com:14555</string>
+       <string>dronelink.io:14555</string>
       </property>
      </item>
      <item>
@@ -236,7 +236,7 @@
    <item row="15" column="0" colspan="3">
     <widget class="QCheckBox" name="droneOSCheckBox">
      <property name="text">
-      <string>Forward MAVLink packets of all links to http://droneos.com</string>
+      <string>Forward MAVLink packets of all links to the host below</string>
      </property>
     </widget>
    </item>
@@ -280,7 +280,7 @@
    <item row="16" column="1" colspan="2">
     <widget class="QLineEdit" name="droneOSLineEdit">
      <property name="text">
-      <string>Enter your DroneOS API Token/Key</string>
+      <string>Enter your authentication token</string>
      </property>
      <property name="maxLength">
       <number>32</number>