fix: remove docker from ci

Author: gadomski

.github/workflows/continuous-integration.yml

@@ -8,18 +8,6 @@ on:
 
 jobs:
   build:
-    name: docker
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Execute linters and test suites
-        run: ./docker/cibuild
-      - name: Upload All coverage to Codecov
-        uses: codecov/codecov-action@v1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          file: ./coverage.xml
-          fail_ci_if_error: false
   python-matrix:
     name: python-matrix
     runs-on: ubuntu-latest