Remove unused ci settings (#1524)

Author: cdce8p

.github/workflows/ci.yaml

@@ -20,8 +20,6 @@ jobs:
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]
-        with:
-          fetch-depth: 0
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
         uses: actions/[email protected]
@@ -89,8 +87,6 @@ jobs:
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]
-        with:
-          fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
         id: python
         uses: actions/[email protected]
@@ -241,8 +237,6 @@ jobs:
         # https://github.com/actions/virtual-environments/issues/712
       - name: Check out code from GitHub
         uses: actions/[email protected]
-        with:
-          fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
         id: python
         uses: actions/[email protected]
@@ -288,8 +282,6 @@ jobs:
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]
-        with:
-          fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
         id: python
         uses: actions/[email protected]