Remove unused method in item repository CIRC-1416

src/main/java/org/folio/circulation/infrastructure/storage/inventory/ItemRepository.java

@@ -2,7 +2,6 @@
 
 import static java.util.concurrent.CompletableFuture.completedFuture;
 import static java.util.function.Function.identity;
-import static org.folio.circulation.domain.ItemStatusName.AVAILABLE;
 import static org.folio.circulation.domain.MultipleRecords.CombinationMatchers.matchRecordsById;
 import static org.folio.circulation.support.fetching.MultipleCqlIndexValuesCriteria.byIndex;
 import static org.folio.circulation.support.http.CommonResponseInterpreters.noContentRecordInterpreter;
@@ -119,23 +118,6 @@ private void setLastCheckIn(JsonObject representation, LastCheckIn lastCheckIn)
     }
   }
 
-  public CompletableFuture<Result<Item>> getFirstAvailableItemByInstanceId(String instanceId) {
-    return holdingsRepository.fetchByInstanceId(instanceId)
-      .thenCompose(r -> r.after(this::getAvailableItem));
-  }
-
-  private CompletableFuture<Result<Item>> getAvailableItem(
-    MultipleRecords<Holdings> holdingsRecords) {
-
-    if (holdingsRecords == null || holdingsRecords.isEmpty()) {
-      return ofAsync(() -> Item.from(null));
-    }
-
-    return findByIndexNameAndQuery(holdingsRecords.toKeys(Holdings::getId),
-      "holdingsRecordId", exactMatch("status.name", AVAILABLE.getName()))
-      .thenApply(mapResult(MultipleRecords::firstOrNull));
-  }
-
   public CompletableFuture<Result<Item>> fetchByBarcode(String barcode) {
     return fetchItemByBarcode(barcode)
       .thenComposeAsync(this::fetchItemRelatedRecords);