Drop gfortran bits from Github CI config

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         -
             uses: actions/setup-python@v1
             with:
-                python-version: '3.x' 
+                python-version: '3.x'
         -   name: "Main Script"
             run: |
                 curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/prepare-and-run-flake8.sh
@@ -32,9 +32,6 @@ jobs:
         -   name: "Main Script"
             run: |
                 CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-                sudo apt update
-                sudo apt install gfortran-7
-                sudo ln -s /usr/bin/gfortran-7 /usr/bin/gfortran
                 curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project-within-miniconda.sh
                 . ./build-and-test-py-project-within-miniconda.sh
 
@@ -46,9 +43,6 @@ jobs:
         -   name: "Main Script"
             run: |
                 CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-                sudo apt update
-                sudo apt install gfortran-7
-                sudo ln -s /usr/bin/gfortran-7 /usr/bin/gfortran
                 USE_CONDA_BUILD=1
                 curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-py-project-and-run-examples.sh
                 . ./build-py-project-and-run-examples.sh