kill

Returns `zloc` with the current node and all sibling nodes to the right removed. Locates `zloc` to node left of deleted node, else if no left node removes current node via [[rewrite-clj.zip/remove*]]. Makes no automatic whitespace adjustments. - `[1 |2 3 4] => [1| ]` - `[1 2 |3 4] => [1 2| ]` - `[|1 2 3 4] => |[]` - `[ |1 2 3 4] => [| ]`