This is an example for how to remove amenities section.

1. Delete the Amenities from  submission header

Go to wprentals\templates\submission_guide.php  file and delete highlighted code displayed on below screenshot:

2. Delete the Amenities from  dashboard left menu area

Go to wprentals\templates\user_menu.php file and delete highlighted code displayed on below screenshot:

3.  Redirect Save button from Location step to Calendar.

Go to templates\submit_templates\property_location.php and  change the $edit_link_amenities with $edit_link_calendar