common: remove wip tag from MAV_CMD_DO_ORBIT and ORBIT_EXECUTION_STATUS (#2316)

These are in production use for 7 years now.

message_definitions/v1.0/common.xml

@@ -1219,8 +1219,6 @@
         <param index="7" label="Y Offset" units="m">Y offset from target</param>
       </entry>
       <entry value="34" name="MAV_CMD_DO_ORBIT" hasLocation="true" isDestination="true">
-        <wip/>
-        <!-- This message is work-in-progress and it can therefore change. It should NOT be used in stable production environments. -->
         <description>Start orbiting on the circumference of a circle defined by the parameters. Setting values to NaN/INT32_MAX (as appropriate) results in using defaults.</description>
         <param index="1" label="Radius" units="m">Radius of the circle. Positive: orbit clockwise. Negative: orbit counter-clockwise. NaN: Use vehicle default radius, or current radius if already orbiting.</param>
         <param index="2" label="Velocity" units="m/s">Tangential Velocity. NaN: Use vehicle default velocity, or current velocity if already orbiting.</param>
@@ -7672,8 +7670,6 @@
       <field type="float[58]" name="data">data</field>
     </message>
     <message id="360" name="ORBIT_EXECUTION_STATUS">
-      <wip/>
-      <!-- This message is work-in-progress it can therefore change, and should NOT be used in stable production environments -->
       <description>Vehicle status report that is sent out while orbit execution is in progress (see MAV_CMD_DO_ORBIT).</description>
       <field type="uint64_t" name="time_usec" units="us">Timestamp (UNIX Epoch time or time since system boot). The receiving end can infer timestamp format (since 1.1.1970 or since system boot) by checking for the magnitude of the number.</field>
       <field type="float" name="radius" units="m">Radius of the orbit circle. Positive values orbit clockwise, negative values orbit counter-clockwise.</field>