Remove isort

Author: kislyuk

.github/workflows/ci.yml

@@ -23,11 +23,6 @@ jobs:
         run: pip install .[tests]
       - name: Test
         run: make test
-  isort:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - uses: isort/[email protected]
   ruff:
     runs-on: ubuntu-latest
     steps: