Also updates the makefile to correct the files to upload using twine to use the manylinux wheels.
The REPO/USER/PASS vars have been removed and twine will now use the defaults in .pypirc if they are set, otherwise these can be overriden using twine's own environment variables when executing the make upload step: https://twine.readthedocs.io/en/latest/#environment-variables
Also updates the makefile to correct the files to upload using twine to use the manylinux wheels.
The REPO/USER/PASS vars have been removed and twine will now use the defaults in .pypirc if they are set, otherwise these can be overriden using twine's own environment variables when executing the make upload step: https://twine.readthedocs.io/en/latest/#environment-variables