Hello Gauravchawla18,
Here is answer to your 1st request:
Enter folder list of ps > themes > current_theme_folder > templates > checkout > _partials > steps > shipping.tpl
Find line 82. There you will see the "div" with "class=delivery". Remove this div completely.
And for 2nd request:
If you want to add terms and conditions to registration form you can do like this. Enter GDPR compliance module. Select "Consent checkbox customization" and do like the image: https://jmp.sh/XdD6J2H
Also, if want remove "terms of condition of use" from payment step, need to make some code changes.
Have a nice weekend.