Which CSS positioning scheme should a developer use to make an element appear completely removed from the rest of the page flow?

Relative positioning allows an element to be moved relative to its original position in the document flow. While it can be visually adjusted without affecting other elements, the space originally occupied by the element remains, so it does not completely remove it from the flow.

The inherit value indicates that an element should take the computed value of a specified property from its parent element. This does not pertain to positioning, as it does not dictate how an element is placed on the page but merely inherits the positioning style of its parent, which could be any type of positioning.

Static positioning is the default positioning scheme in CSS, where elements are positioned according to the normal document flow. This means that elements with static positioning will occupy space and affect the layout of surrounding elements, thus not achieving the goal of complete removal from the flow.