[infra] Remove UIO from UBSan flags as it may create a lot of noise in the logs (#910).
[infra] Remove UIO from UBSan flags as it may create a lot of noise in the logs (#910).

robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz