For Entity forms don't want to show Entity Image or Navigation items, Microsoft provided this setting in Form Properties.
Open Form in customization,
Click on Form properties.
In Display tab you will see two sections - Page navigation & Image,
Page navigation - Show navigation Items is default checked.. means show navigation items, when any record opened in this form. If you uncheck this checkbox, then navigation items will not be shown.
Image - Show image in Form is also default checked, Entity Image will be shown on form, when it is unchecked, entity image will not be shown for record when this form is used to open record.
Open Form in customization,
Click on Form properties.
In Display tab you will see two sections - Page navigation & Image,
Page navigation - Show navigation Items is default checked.. means show navigation items, when any record opened in this form. If you uncheck this checkbox, then navigation items will not be shown.
Image - Show image in Form is also default checked, Entity Image will be shown on form, when it is unchecked, entity image will not be shown for record when this form is used to open record.