AoC2024.6 remove unused import

aoc2024/src/day06/python/solution.py

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from typing import Sequence, Union
+from typing import Sequence
 
 type Position = tuple[int, int]
 type Direction = tuple[int, int]