Remove dummy credential setup from codegen-build-test

.github/workflows/codegen-build-test.yml

@@ -61,19 +61,5 @@ jobs:
         run: ./scripts/ci_steps/codegen_sdk.sh
       - name: Build SDK with Unit Tests
         run: swift build --build-tests
-
-      # Configure credentials for use during special protocol tests run against real clients
-      # Since environment variables are modified by some tests profiles are used instead
-      - name: Create AWS config directory
-        run: mkdir -p ~/.aws
-      - name: Create AWS config file
-        run: |
-          echo "[default]" > ~/.aws/config
-          echo "region=us-west-2" >> ~/.aws/config
-      - name: Create AWS credentials file
-        run: |
-          echo "[default]" > ~/.aws/credentials
-          echo "aws_access_key_id = test-key-id" >> ~/.aws/credentials
-          echo "aws_secret_access_key = test-secret-access-key" >> ~/.aws/credentials
       - name: Run Unit Tests
         run: swift test --skip-build