AdYouLike Bidder: clean on video ad treatment (prebid#8352)

* add required clickurl in every native adrequest

* allows the native response to be given as is to prebid if possible

* add unit tests on new Native case

* Handle meta object in bid response with default addomains array

* fix icon retrieval in Native case

* Update priorities in case of multiple mediatypes given

* improve robustness and fix associated unit test on picture urls

* add support for params.size parameter

* add unit test on new size format

* Makes sure the playerSize format is consistent

* enable Vast response on bidder adapter

* fix lint errors

* add test on Vast format case

* add userId to bidrequest

* revert package-lock.json changes

* improve multiple mediatype handling

* Expose adyoulike GVL id

* fix icurl issue when retreiving icon for Native mediatype

* update unit tests on icon url in native mediatype

* target video endpoint when video mediatype is present

* add unit test on video endpoint

* detect if bid request has video

* remove console log

* Add size information in Video bid + unit tests

* Remove unused method (old video retrieval)

modules/adyoulikeBidAdapter.js

@@ -350,14 +350,6 @@ function getTrackers(eventsArray, jsTrackers) {
   return result;
 }
 
-function getVideoAd(response) {
-  var adJson = {};
-  if (typeof response.Ad === 'string' && response.Ad.indexOf('\/\*PREBID\*\/') > 0) {
-    adJson = JSON.parse(response.Ad.match(/\/\*PREBID\*\/(.*)\/\*PREBID\*\//)[1]);
-    return deepAccess(adJson, 'Content.MainVideo.Vast');
-  }
-}
-
 function getNativeAssets(response, nativeConfig) {
   if (typeof response.Native === 'object') {
     return response.Native;
@@ -486,7 +478,7 @@ function createBid(response, bidRequests) {
   };
 
   // retreive video response if present
-  const vast64 = response.Vast || getVideoAd(response);
+  const vast64 = response.Vast;
   if (vast64) {
     bid.width = response.Width;
     bid.height = response.Height;