HI my solutions is as follows.
I could not find a way of identifying the individual items in edit profile mode.
So I removed the following menu options
1 - Additional names
2 - Interests
3 - Optional
I did this by adding the following code into theme_boost | scss
fieldset#id_moodle_optional {
display: none !important;
}
fieldset#id_moodle_additional_names {
display: none !important;
}
fieldset#id_moodle_interests {
display: none !important;
}