Update unittest.yml

Author: bact

.github/workflows/unittest.yml

@@ -64,8 +64,6 @@ jobs:
             python-version: "3.11"
           - os: "ubuntu-latest"
             python-version: "3.10"
-          - os: "ubuntu-latest"
-            python-version: "pypy-3.11"
 
     runs-on: ${{ matrix.os }}
     env: