♻️ Remove incorrect pre-commit cache configuration from CI workflow

Remove the pre-commit cache setup that was using the wrong Python version.
The cache was configured based on the system Python version, but the
workflow uses Python managed by uv.

Author: tsvikas

.github/workflows/uv-tests.yml

@@ -40,14 +40,6 @@ jobs:
       - uses: astral-sh/setup-uv@v6
         with:
           version: ${{ matrix.uv-version }}
-      # set pre-commit cache
-      - name: set PY
-        run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> "$GITHUB_ENV"
-      - uses: actions/cache@v4
-        with:
-          path: ~/.cache/pre-commit
-          key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
-
       - name: Configure Git
         run: |
           git config --global user.email "${{ github.actor }}@users.noreply.github.com"