Remove Windows-specific instructions

They were invalid. The problem was in detectron2, fixed by:
facebookresearch/detectron2#5455

With this fix, both the old and versions of libraries work.

Author: dzenanz

setup.py

@@ -81,9 +81,13 @@ def prerelease_local_scheme(version):
         'girder-client',
         # cli
         'ctk-cli',
+        # later determined dependencies
         'zarr<3.0',
+        'portalocker==2.3.2',
+        'onnx',
         # detectron2 is installed in the dockerfile, so it needs to be commented out here
-        # 'detectron2 @ git+https://github.com/facebookresearch/detectron2@main',  # v0.6+patches
+        # 'detectron2@git+https://github.com/facebookresearch/detectron2@main',  # v0.6+patches
+        # 'detectron2@git+https://github.com/facebookresearch/[email protected]',  # latest version crashes
     ],
     license='Apache Software License 2.0',
     keywords='multic',