llvm

69e8bc12 - Remove unussed `.travis.yml` (#3765)

Remove unussed `.travis.yml` (#3765) Travis CI was disabled on the main branch in 06bddc1c8 CI now runs entirely via GitHub Actions. Original commit: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/commit/19833602d4e5ae2