Update Ardusub 3.6 metadata

This also removes the "dev" sufix as this was breaking a regex
for version detection.

src/FirmwarePlugin/APM/APMFirmwarePlugin.cc

@@ -876,8 +876,8 @@ QString APMFirmwarePlugin::internalParameterMetaDataFile(Vehicle* vehicle)
         return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Rover.3.4.xml");
 
     case MAV_TYPE_SUBMARINE:
-        if (vehicle->versionCompare(3, 6, 0) >= 0) { // 3.5.x
-            return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.6dev.xml");
+        if (vehicle->versionCompare(3, 6, 0) >= 0) { // 3.6.x
+            return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.6.xml");
         }
         if (vehicle->versionCompare(3, 5, 0) >= 0) { // 3.5.x
             return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.5.xml");

src/FirmwarePlugin/APM/APMResources.qrc

@@ -56,7 +56,7 @@
         <file alias="APMParameterFactMetaData.Rover.4.0.xml">APMParameterFactMetaData.Rover.4.0.xml</file>
         <file alias="APMParameterFactMetaData.Sub.3.4.xml">APMParameterFactMetaData.Sub.3.4.xml</file>
         <file alias="APMParameterFactMetaData.Sub.3.5.xml">APMParameterFactMetaData.Sub.3.5.xml</file>
-        <file alias="APMParameterFactMetaData.Sub.3.6dev.xml">APMParameterFactMetaData.Sub.3.6dev.xml</file>
+        <file alias="APMParameterFactMetaData.Sub.3.6.xml">APMParameterFactMetaData.Sub.3.6.xml</file>
         <file alias="Copter.OfflineEditing.params">Copter3.6.OfflineEditing.params</file>
         <file alias="Plane.OfflineEditing.params">Plane3.9.OfflineEditing.params</file>
         <file alias="Rover.OfflineEditing.params">Rover3.5.OfflineEditing.params</file>