added #shareDisallowRobotIndexing label and reworked how the child-image exclusion works

src/services/attributes.js

@@ -128,10 +128,6 @@ function isAttributeDangerous(type, name) {
     );
 }
 
-function getBuiltinAttributeNames() {
-    return BUILTIN_ATTRIBUTES;
-}
-
 function sanitizeAttributeName(origName) {
     let fixedName;
 
@@ -156,6 +152,5 @@ module.exports = {
     getAttributeNames,
     isAttributeType,
     isAttributeDangerous,
-    getBuiltinAttributeNames,
     sanitizeAttributeName
 };