fixing CI

Author: grantnelson-wf

playground/internal/undoRedo/undoRedo.go

@@ -35,9 +35,8 @@ type undoRedoStackImp struct {
 
 	// getTime gets the current time.
 	// It can be replaced when testing.
-	getTime   func() time.Time
-	joinDur   time.Duration
-	joinLimit int
+	getTime func() time.Time
+	joinDur time.Duration
 
 	lastChange time.Time
 	lastSel    common.Selection