fix comments

Author: przemkaczmarek

src/main/java/org/prebid/server/bidder/nextmillennium/NextMillenniumBidder.java

@@ -108,7 +108,7 @@ private BidRequest updateBidRequest(BidRequest bidRequest, ExtImpNextMillennium
                 .orElse(null);
 
         return bidRequest.toBuilder()
-                .imp(modifyFirstImp(bidRequest.getImp(), soredRequestId, extImp))
+                .imp(modifyFirstImp(bidRequest.getImp(), soredRequestId))
                 .ext(createExtRequest(soredRequestId, extRequestPrebidServer, extImp))
                 .build();
     }
@@ -150,14 +150,13 @@ private static String formatSize(Integer w, Integer h) {
                 : null;
     }
 
-    private List<Imp> modifyFirstImp(List<Imp> imps, String storedRequestId, ExtImpNextMillennium extImp) {
+    private List<Imp> modifyFirstImp(List<Imp> imps, String storedRequestId) {
         final ExtRequestPrebid extRequestPrebid = ExtRequestPrebid.builder()
                 .storedrequest(ExtStoredRequest.of(storedRequestId))
                 .build();
 
         final NextMillenniumExt nextMillenniumExt = NextMillenniumExt.of(
-                NextMillenniumExtBidder.of(
-                        nmmFlags, extImp.getAdSlots(), extImp.getAllowedAds(), null, null));
+                NextMillenniumExtBidder.ofNmmFlags(nmmFlags));
 
         final ExtRequest extRequest = ExtRequest.of(extRequestPrebid);
         mapper.fillExtension(extRequest, nextMillenniumExt);

src/main/java/org/prebid/server/bidder/nextmillennium/proto/NextMillenniumExtBidder.java

@@ -20,4 +20,8 @@ public class NextMillenniumExtBidder {
     String nmVersion;
 
     String serverVersion;
+
+    public static NextMillenniumExtBidder ofNmmFlags(List<String> nmmFlags) {
+        return of(nmmFlags, null, null, null, null);
+    }
 }

src/test/resources/org/prebid/server/it/openrtb2/nextmillennium/test-nextmillennium-bid-request.json

@@ -10,9 +10,7 @@
       "secure": 1,
       "ext": {
         "nextMillennium" : {
-          "nmmFlags" : [ "1" ],
-          "adSlots": ["slot-1", "slot-2"],
-          "allowedAds": ["banner", "native"]
+          "nmmFlags" : [ "1" ]
         },
         "prebid": {
           "storedrequest": {