Delete codecov.txt (#1540)

For @Chavithra.

.github/workflows/codecov.txt

@@ -1,62 +0,0 @@
-name: Codecov
-env:
-  PIP_DEFAULT_TIMEOUT: 100
-  GTFF_USE_PROMPT_TOOLKIT: false
-  GTFF_USE_ION: false
-  GTFF_ENABLE_QUICK_EXIT: true
-on: [pull_request, push]
-jobs:
-  run:
-    name: Codecov Report
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@master
-    - name: Setup Python
-      uses: actions/setup-python@master
-      with:
-        python-version: 3.7
-
-    - name: Checkout Code
-      uses: actions/checkout@v2
-
-    - name: Setup Python 3.9
-      uses: actions/setup-python@v2
-      with:
-        python-version: "3.9"
-        architecture: x64
-
-    - name: Install Poetry
-      uses: snok/install-poetry@v1
-      with:
-        version: 1.1.11
-        virtualenvs-create: true
-        virtualenvs-in-project: true
-
-    - name: Load cached venv
-      id: cached-poetry-dependencies
-      uses: actions/cache@v2
-      with:
-        path: .venv
-        key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
-
-    - name: Install dependencies
-      if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
-      run: poetry install --no-interaction --no-root
-
-    - name: Install Package
-      run: poetry install --no-interaction
-
-    - name: Generate coverage report
-      run: |
-        source $VENV
-        pytest --cov=./ --cov-report=xml
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v2
-      with:
-        token: ${{ secrets.CODECOV_TOKEN }}
-        env_vars: OS,PYTHON
-        fail_ci_if_error: true
-        files: ./coverage.xml
-        flags: unittests
-        name: codecov-umbrella
-        verbose: true