Update ci.yml

Remove flag that breaks mac os build

Author: mikeb01

.github/workflows/ci.yml

@@ -68,4 +68,4 @@ jobs:
       - name: Build
         run: cmake --build _build --config ${{ matrix.build_type }}
       - name: Test
-        run: cmake -E chdir _build ctest --build-config ${{ matrix.build_type }} --output-in-failure
+        run: cmake -E chdir _build ctest --build-config ${{ matrix.build_type }}