fix order of comments in serviceca operator type

[sallyom]

The order of comments I believe needs to be

// description
// +required|optional

and not the other way around
sigh
bug 1683055

[sallyom]

with oc explain serviceca hoping to make this:

FIELDS:
 --------
   spec	<Object> -required-

   status	<Object>

this

   spec	<Object> -required-
     spec holds user settable values for configuration

   status	<Object>
     status holds observed values from the cluster. They may not be overridden.

[soltysh]

/lgtm
/approve

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