chore: drop unnecessary zs

Author: dbirman

pyproject.toml

@@ -22,7 +22,6 @@ dependencies = [
     'uvicorn[standard]',
     'aind-data-schema>=2.6.0,<3',
     'aind-data-access-api[docdb]',
-    'zombie-squirrel>=0.29.0,<1',
     'aind-metadata-validator>=0.11.6,<2',
     'aind-metadata-upgrader>=0.15.23,<1',
     'numpy<2.0',