How to setup Similar post and similar properties
Related Listings on Property Page display are set on Theme Options > Design > Property Page Settings.
Related Articles on Blog Post display the last 3 post with the same Tag.
How to Remove Similar Listings from property page with CSS
To remove similar listings you must add the below custom CSS in Theme Options > Design > Custom CSS.
.single.single-estate_property .mylistings {
display: none!important;
}