Removes the pointer at the given index from the pointer array.
The following elements are moved down one place. If
GDestroyNotify function it is called for the removed
element. If so, the return value from this function will potentially point
to freed memory (depending on the
This function is not directly available to language bindings.
Type: An array of
The data is owned by the caller of the function.
The index of the pointer to remove.