Removed unnecessary workaround in blueprint python example (#2316)

### What

Removed unnecessary workaround for #2124 in blueprint python example

### Checklist
* [x] I have read and agree to [Contributor
Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
the [Code of
Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)
* [ ] ~~I've included a screenshot or gif (if applicable)~~

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PR Build Summary: https://build.rerun.io/pr/2316

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Docs preview: https://rerun.io/preview/e74edcd/docs
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examples/python/blueprint/main.py

@@ -52,11 +52,6 @@ def main() -> None:
 
         rr_exp.add_space_view(name="overlaid", origin="/", entity_paths=["image", "rect/0", "rect/1"])
 
-    # Workaround https://github.com/rerun-io/rerun/issues/2124
-    import time
-
-    time.sleep(0.1)
-
 
 if __name__ == "__main__":
     main()