MAV_CMD_PAYLOAD_PREPARE_DEPLOY - remove note about MISSION_ITEM (mavlink#1993)

Author: hamishwillee

message_definitions/v1.0/common.xml

@@ -2411,8 +2411,8 @@
         <param index="2" label="Approach Vector" units="deg" minValue="-1" maxValue="360">Desired approach vector in compass heading. A negative value indicates the system can define the approach vector at will.</param>
         <param index="3" label="Ground Speed" minValue="-1">Desired ground speed at release time. This can be overridden by the airframe in case it needs to meet minimum airspeed. A negative value indicates the system can define the ground speed at will.</param>
         <param index="4" label="Altitude Clearance" units="m" minValue="-1">Minimum altitude clearance to the release position. A negative value indicates the system can define the clearance at will.</param>
-        <param index="5" label="Latitude" units="degE7">Latitude. Note, if used in MISSION_ITEM (deprecated) the units are degrees (unscaled)</param>
-        <param index="6" label="Longitude" units="degE7">Longitude. Note, if used in MISSION_ITEM (deprecated) the units are degrees (unscaled)</param>
+        <param index="5" label="Latitude" units="degE7">Latitude.</param>
+        <param index="6" label="Longitude" units="degE7">Longitude.</param>
         <param index="7" label="Altitude" units="m">Altitude (MSL)</param>
       </entry>
       <entry value="30002" name="MAV_CMD_PAYLOAD_CONTROL_DEPLOY" hasLocation="false" isDestination="false">