worker: remove State from JobStatus

This state is specific to weldr. Previous commits removed it from the
other APIs, because they use different values.

Move the conversion into the weldr API.

internal/worker/server.go

@@ -44,7 +44,6 @@ type Server struct {
 }
 
 type JobStatus struct {
-	State    common.ComposeState
 	Queued   time.Time
 	Started  time.Time
 	Finished time.Time
@@ -105,21 +104,8 @@ func (s *Server) JobStatus(id uuid.UUID) (*JobStatus, error) {
 	if err != nil {
 		return nil, err
 	}
-	state := common.CWaiting
-	if canceled {
-		state = common.CFailed
-	} else if !finished.IsZero() {
-		if result.OSBuildOutput != nil && result.OSBuildOutput.Success {
-			state = common.CFinished
-		} else {
-			state = common.CFailed
-		}
-	} else if !started.IsZero() {
-		state = common.CRunning
-	}
 
 	return &JobStatus{
-		State:    state,
 		Queued:   queued,
 		Started:  started,
 		Finished: finished,