message: Re-comment a line.
diff: @@ -12,7 +12,7 @@ then
  aws s3 cp s3://cesium-unreal-engine/macos-2022-01-27/UE_4272_macOS.zip .
  unzip UE_4272_macOS.zip -C $HOME
  rm UE_4272_macOS.zip
  -elif [[ $TRAVIS_OS_NAME == "linux" ]]
  +# elif [[ $TRAVIS_OS_NAME == "linux" ]]
  # then
  # AWS_ACCESS_KEY_ID=${GOOGLE_ACCESS_KEY_ID} AWS_SECRET_ACCESS_KEY=${GOOGLE_SECRET_ACCESS_KEY} aws s3 --endpoint-url https://storage.googleapis.com cp s3://cesium-unreal-engine/linux-2021-04-23/UnrealEngine-4.26.2.tar.gz .
  # mkdir $HOME/UE_4.26
  