CI: fix broken travis config for deploy
CI: fix broken travis config for deploy

These 'environment variables' where inherited from a pull request to aiohttp that aimed to apply config from multidict, but in the multidict config these are `name` entries, as intended. The `name` key is included via the `<<: *osx_pypi_deploy_base_...` inclusions so there is no need to use anchors.

Next, we need to cythonize before installing the `ci.txt` requirements, as that includes running `setup.py install`.

aio-libs/frozenlist,aio-libs/frozenlist