Update README.md

Author: dbirman

README.md

@@ -65,30 +65,6 @@ else:
 
 Example usage: `requests.post("https://metadata-portal.allenneuraldynamics-test.org/validate/subject", json=subject_data)`
 
-### Gather endpoint
-
-Get fresh metadata from the metadata service:
-
-```python
-import requests
-
-response = requests.get(
-    "https://metadata-portal.allenneuraldynamics-test.org/gather",
-    params={
-        "subject_id": "804670",
-        "project_name": "Learning mFISH-V1omFISH",
-        "modalities": "ecephys",  # comma-separated abbreviations
-        "acquisition_start_time": "2025-09-17T10:26:00Z"
-    }
-)
-
-if response.status_code == 200:
-    metadata = response.json()
-    print(f"✅ Retrieved {list(metadata.keys())}")
-else:
-    print(f"❌ Failed: {response.json()}")
-```
-
 ## Usage
 
 Clone the repository and `cd` into the folder