Simplify stream state loading in ChannelTabFragment

Author: Ecomont

app/src/main/java/org/schabi/newpipe/fragments/list/channel/ChannelTabFragment.java

@@ -219,10 +219,8 @@ private boolean shouldIncludeItem(final InfoItem item,
         }
         final StreamInfoItem streamItem = (StreamInfoItem) item;
         try {
-            final StreamStateEntity[] result =
-                    historyRecordManager.loadStreamState(streamItem).blockingGet();
             final StreamStateEntity state =
-                    (result != null && result.length > 0) ? result[0] : null;
+                    historyRecordManager.loadStreamState(streamItem).blockingGet();
             if (state != null) {
                 final long duration = streamItem.getDuration();
                 final boolean isFinished = state.isFinished(duration);