remove python 3.10 from ci-production.yml

Author: redfrexx

.github/workflows/ci-production.yml

@@ -21,8 +21,6 @@ jobs:
             tox: 38
           - python-version: 3.9
             tox: 39
-          - python-version: "3.10"
-            tox: 310
         poetry-version: [ 1.1.13 ]
         os: [ ubuntu-18.04, ubuntu-20.04 ]
     runs-on: ${{ matrix.os }}