NAME
    RemTOF - remove a task from the VBlank interrupt server chain.
SYNOPSIS
    RemTOF(i);
    VOID RemTOF(struct isrvstr *);
FUNCTION
    Removes a task from the vertical-blanking interval interrupt server
    chain.
INPUTS
    i - pointer to an isrvstr structure
SEE ALSO
    addtof(), <graphics/graphint.h>