EAGLESIX-812 Remove duplicate serialize & fix docs

lib/pipeline/documentSources/UnwindDocumentSource.js

@@ -86,6 +86,7 @@ klass.Unwinder = (function() {
 /**
  * Get the document source name.
  *
+ * @method getSourceName
  * @returns {string}
  */
 proto.getSourceName = function getSourceName() {
@@ -95,6 +96,7 @@ proto.getSourceName = function getSourceName() {
 /**
  * Get the next source.
  *
+ * @method getNext
  * @param callback
  * @returns {*}
  */
@@ -150,6 +152,7 @@ proto.getNext = function getNext(callback) {
 /**
  * Serialize the data.
  *
+ * @method serialize
  * @param explain
  * @returns {{}}
  */
@@ -168,6 +171,7 @@ proto.serialize = function serialize(explain) {
 /**
  * Get the fields this operation needs to do its job.
  *
+ * @method getDependencies
  * @param deps
  * @returns {DocumentSource.GetDepsReturn.SEE_NEXT|*}
  */
@@ -184,6 +188,7 @@ proto.getDependencies = function getDependencies(deps) {
 /**
  * Unwind path.
  *
+ * @method unwindPath
  * @param fieldPath
  */
 proto.unwindPath = function unwindPath(fieldPath) {
@@ -196,19 +201,9 @@ proto.unwindPath = function unwindPath(fieldPath) {
 	this._unwinder = new klass.Unwinder(fieldPath);
 };
 
-/**
- * Serialize the data associated with the unwind path.
- *
- * @param builder
- * @param explain
- */
-proto.serialize = function serialize(builder, explain) {
-	if (!this._unwindPath) throw new Error("unwind path does not exist!");
-	builder[this.getSourceName()] = this._unwindPath.getPath(true);
-};
-
 /**
  * Creates a new UnwindDocumentSource with the input path as the path to unwind
+ * @method createFromJson
  * @param {String} JsonElement this thing is *called* Json, but it expects a string
 **/
 klass.createFromJson = function createFromJson(jsonElement, ctx) {