Remove unnecessary select in update operation

[ArtDu]

https://github.com/tarantool/cartridge-springdata/blob/78c8d1ab1668de848f04afbcd3ab90f04322c4a9/src/main/java/org/springframework/data/tarantool/core/BaseTarantoolTemplate.java#L245-L264

Git blame points at you @akudiyar. May you remember why it's done this way?

[akudiyar]

This update implementation was really non-optimal and I did a quick solution for fulfilling the client's requirements at that time. Maybe some comments on this are in the git history. The biggest problem was that tarantool/crud did not support update operation.