Finish up removal of Conditions 🧹

In tektoncd#4942, we removed
`Conditions`. However, there was some logic that was left over.
In this change, we clean up the remaining logic for `Conditions`.

pkg/reconciler/pipelinerun/pipelinerun.go

@@ -89,9 +89,6 @@ const (
 	// ReasonCouldntGetResource indicates that the reason for the failure status is that the
 	// associated PipelineRun's bound PipelineResources couldn't all be retrieved
 	ReasonCouldntGetResource = "CouldntGetResource"
-	// ReasonCouldntGetCondition indicates that the reason for the failure status is that the
-	// associated Pipeline's Conditions couldn't all be retrieved
-	ReasonCouldntGetCondition = "CouldntGetCondition"
 	// ReasonParameterMissing indicates that the reason for the failure status is that the
 	// associated PipelineRun didn't provide all the required parameters
 	ReasonParameterMissing = "ParameterMissing"

pkg/reconciler/pipelinerun/resources/pipelinerunstate.go

@@ -321,14 +321,9 @@ func (state PipelineRunState) getRetryableTasks(candidateTasks sets.String) []*R
 					isCancelled = isCancelled || status.Reason == v1alpha1.RunReasonCancelled
 				}
 			}
-			if status.IsFalse() {
-				if !(isCancelled || status.Reason == ReasonConditionCheckFailed) {
-					if t.hasRemainingRetries() {
-						tasks = append(tasks, t)
-					}
-				}
+			if status.IsFalse() && !isCancelled && t.hasRemainingRetries() {
+				tasks = append(tasks, t)
 			}
-
 		}
 	}
 	return tasks

test/pipelinefinally_test.go

@@ -266,10 +266,6 @@ spec:
 				t.Errorf("Error waiting for TaskRun to succeed: %v", err)
 			}
 			dagTask2EndTime = taskrunItem.Status.CompletionTime
-		case n == "dagtask3":
-			if !isSkipped(t, n, taskrunItem.Status.Conditions) {
-				t.Fatalf("dag task %s should have skipped due to condition failure", n)
-			}
 		case n == "dagtask4":
 			t.Fatalf("task %s should have skipped due to when expression", n)
 		case n == "dagtask5":
@@ -720,20 +716,6 @@ func isCancelled(t *testing.T, taskRunName string, conds duckv1beta1.Conditions)
 	return false
 }
 
-func isSkipped(t *testing.T, taskRunName string, conds duckv1beta1.Conditions) bool {
-	t.Helper()
-	for _, c := range conds {
-		if c.Type == apis.ConditionSucceeded {
-			if c.Status != corev1.ConditionFalse && c.Reason != resources.ReasonConditionCheckFailed {
-				t.Errorf("TaskRun status %q is not skipped due to condition failure, got %q", taskRunName, c.Status)
-			}
-			return true
-		}
-	}
-	t.Errorf("TaskRun status %q had no Succeeded condition", taskRunName)
-	return false
-}
-
 func getSuccessTask(t *testing.T, namespace string) *v1beta1.Task {
 	return parse.MustParseTask(t, fmt.Sprintf(`
 metadata: