Chg(gha): rm dbl install of dependencies

.github/workflows/lint_and_test.yaml

@@ -14,17 +14,17 @@ jobs:
   test_mffpy:
     # Name the job
     name: Lint and Test
-    # Set the type of machine to run on
-    runs-on: ubuntu-20.04
     strategy:
       matrix:
         python-version: ["3.6.7", "3.8", "3.9", "3.10", "3.11"]
+    # Set the type of machine to run on
+    runs-on: ubuntu-20.04
     steps:
         # Check out the latest commit from the current branch
       - name: Checkout Current Branch
         uses: actions/checkout@v4
 
-      - name: Setup Python { { matrix.python-version } }
+      - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
@@ -40,7 +40,7 @@ jobs:
         run: pip install .
 
       - name: Install Development Dependences
-        run: pip install -r requirements.txt -r requirements-dev.txt
+        run: pip install -r requirements-dev.txt
 
       - name: Linting
         run: flake8