updated API docs

src/becca/entities/note_revision.js

@@ -10,8 +10,6 @@ const AbstractEntity = require("./abstract_entity.js");
 
 /**
  * NoteRevision represents snapshot of note's title and content at some point in the past. It's used for seamless note versioning.
- *
- * @extends Entity
  */
 class NoteRevision extends AbstractEntity {
     static get entityName() { return "note_revisions"; }