Remove invalid syntax from delete statements (#1737)

Author: 3ldar

src/DotNetCore.CAP.PostgreSql/IDataStorage.PostgreSql.cs

@@ -234,7 +234,7 @@ public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry(Tim
 
     public async Task<int> DeleteReceivedMessageAsync(long id)
     {
-        var sql = $@"DELETE FROM {_recName} WHERE ""Id""={id} FOR DELETE SKIP LOCKED";
+        var sql = $@"DELETE FROM {_recName} WHERE ""Id""={id}";
 
         var connection = _options.Value.CreateConnection();
         await using var _ = connection.ConfigureAwait(false);
@@ -244,7 +244,7 @@ public async Task<int> DeleteReceivedMessageAsync(long id)
 
     public async Task<int> DeletePublishedMessageAsync(long id)
     {
-        var sql = $@"DELETE FROM {_pubName} WHERE ""Id""={id} FOR DELETE SKIP LOCKED";
+        var sql = $@"DELETE FROM {_pubName} WHERE ""Id""={id}";
 
         var connection = _options.Value.CreateConnection();
         await using var _ = connection.ConfigureAwait(false);