[#1005] engine: Drop shards weights

Unused.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/engine/shards.go

@@ -254,13 +254,7 @@ func generateShardID() (*shard.ID, error) {
 	return shard.NewIDFromBytes(bin), nil
 }
 
-func (e *StorageEngine) shardWeight(sh *shard.Shard) float64 {
-	weightValues := sh.WeightValues()
-
-	return float64(weightValues.FreeSpace)
-}
-
-func (e *StorageEngine) sortShardsByWeight(objAddr interface{ EncodeToString() string }) []hashedShard {
+func (e *StorageEngine) sortShards(objAddr interface{ EncodeToString() string }) []hashedShard {
 	e.mtx.RLock()
 	defer e.mtx.RUnlock()
 
@@ -269,16 +263,7 @@ func (e *StorageEngine) sortShardsByWeight(objAddr interface{ EncodeToString() s
 	for _, sh := range e.shards {
 		shards = append(shards, hashedShard(sh))
 	}
-	return sortShardsByWeight(shards, h)
-}
-
-func sortShardsByWeight(shards []hashedShard, h uint64) []hashedShard {
-	weights := make([]float64, 0, len(shards))
-	for _, sh := range shards {
-		weights = append(weights, float64(sh.Shard.WeightValues().FreeSpace))
-	}
-
-	hrw.SortHasherSliceByWeightValue(shards, weights, h)
+	hrw.SortHasherSliceByValue(shards, h)
 	return shards
 }
 
@@ -296,7 +281,7 @@ func (e *StorageEngine) unsortedShards() []hashedShard {
 }
 
 func (e *StorageEngine) iterateOverSortedShards(addr oid.Address, handler func(int, hashedShard) (stop bool)) {
-	for i, sh := range e.sortShardsByWeight(addr) {
+	for i, sh := range e.sortShards(addr) {
 		if handler(i, sh) {
 			break
 		}