remove type checking import

Signed-off-by: Chris Bridge <cbridge@partners.org>

Author: Chris Bridge

monai/deploy/operators/dicom_seg_writer_operator.py

@@ -29,10 +29,6 @@
 hd, _ = optional_import("highdicom")
 sitk, _ = optional_import("SimpleITK")
 codes, _ = optional_import("pydicom.sr.codedict", name="codes")
-if TYPE_CHECKING:
-    from highdicom.seg import SegmentDescription
-else:
-    SegmentDescription, _ = optional_import("highdicom.seg", name="SegmentDescription")
 
 import monai.deploy.core as md
 from monai.deploy.core import DataPath, ExecutionContext, Image, InputContext, IOType, Operator, OutputContext