vllm

64192d56 - [Bugfix] Revert custom attention mask for gemma3-mm (#28995)

[Bugfix] Revert custom attention mask for gemma3-mm (#28995) Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn> Co-authored-by: Cyrus Leung <tlleungac@connect.ust.hk>