Delete node's switch list, which the kind test now holds

node.go

@@ -11,9 +11,7 @@ import (
 
 // node is a compiled element of the namespace tree: a folder, choice, null,
 // template, table, column or row. Compiling JSON into these once (see compile)
-// means rendering never re-inspects the raw JSON. A new kind needs a case in
-// columnItems, contained, paths, prove, render, renderEdges and stepInto; each
-// panics on a kind it does not list.
+// means rendering never re-inspects the raw JSON.
 type node interface{ isNode() }
 
 // folder is a namespace of named children, built from a directory of JSON files