Those are due dates for the 2023 quarterly estimated tax payments. If you paid 2023 estimated taxes you can enter the actual date you paid the estimated taxes.
Those are the due dates for the 4 quarterly estimated payments. Is there any amounts listed? Did you send in any estimated payments? I wouldn't worry about the dates being listed.
How to cancel these dates? or I needn't do anything and let these dates listed on worksheet?
You do not need to remove the dates. Just continue past this section or click on the Back buttons to get out of this section.
Is the program asking you to enter an estimated tax payment?