function makeRemove(child, node) {
	  // NOTE: Null values reduce hidden classes.
	  return {
	    type: 'REMOVE_NODE',
	    content: null,
	    fromIndex: child._mountIndex,
	    fromNode: node,
	    toIndex: null,
	    afterNode: null
	  };
	}
Make an update for removing an element at an index.

@param {number} fromIndex Index of the element to remove.
@private