Remove spurious method

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DefaultDashChunkSource.java

@@ -319,11 +319,6 @@ public class DefaultDashChunkSource implements DashChunkSource {
     }
     }
   }
   }
 
 
-  private long resolveTimeToLiveEdgeUs(long playbackPositionUs) {
-    boolean resolveTimeToLiveEdgePossible = manifest.dynamic && liveEdgeTimeUs != C.TIME_UNSET;
-    return resolveTimeToLiveEdgePossible ? liveEdgeTimeUs - playbackPositionUs : C.TIME_UNSET;
-  }
-
   protected static Chunk newInitializationChunk(RepresentationHolder representationHolder,
   protected static Chunk newInitializationChunk(RepresentationHolder representationHolder,
       DataSource dataSource, Format trackFormat, int trackSelectionReason,
       DataSource dataSource, Format trackFormat, int trackSelectionReason,
       Object trackSelectionData, RangedUri initializationUri, RangedUri indexUri) {
       Object trackSelectionData, RangedUri initializationUri, RangedUri indexUri) {