By default, the column header of the grid shows the field type icon for each field. This also applies to the filter and sort buttons. To hide these icons, follow the steps below:
Click on your table in the Tables list
In the View section, turn off the Show field type icons toggle in the Default View Settings subsection.
This setting will apply by default to all views for a given table that inherit the Default View Settings. Whether or not the Default View Settings are inherited is determined by the View's View Behavior setting:
💡 Tip: The grid header, filters and sort options will all use the Title given to the field in the child form.