Remove CMake Linux GitHub action status from README
Remove CMake Linux GitHub action status from README

It's deleted.

PiperOrigin-RevId: 290346944

iree-org/iree,iree-org/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,google/iree,google/iree,iree-org/iree,google/iree,iree-org/iree,google/iree,iree-org/iree