Please try this PHP snippet instead
add_filter(
'hivepress/v1/models/vendor/fields',
function ($fields, $model){
$fields['categories']['required']=false;
return $fields;
},
1000,
2
);
add_filter(
'hivepress/v1/forms/user_update_profile',
function ($form){
unset($form['fields']['categories']);
return $form;
},
1000,
2
);