Don't install cython as an extra package.

Packages should define their own build time dependencies.

Signed-off-by: Pedro Algarvio <[email protected]>

Author: s0undt3ch

.github/workflows/ci.yml

@@ -256,7 +256,6 @@ jobs:
       shell: bash
       env:
         SALT_REQUIREMENT: salt~=${{ matrix.salt-version }}
-        EXTRA_REQUIREMENTS_INSTALL: Cython
       run: |
         export PATH="/C/Program Files (x86)/Windows Kits/10/bin/10.0.18362.0/x64;$PATH"
         nox --force-color --envdir 'C:\.nox' -e ${{ steps.define-test-session.outputs.test-session }} --install-only