remove unnecessary code

Author: jonhealy1

stac_fastapi/core/stac_fastapi/core/core.py

@@ -693,10 +693,7 @@ async def create_item(
             NotFoundError: If the specified collection is not found in the database.
             ConflictError: If an item with the same ID already exists in the collection.
         """
-        # Ensure request is present
         request = kwargs.get("request")
-        if not request:
-            raise ValueError("Request must be provided in kwargs")
         base_url = str(request.base_url)
 
         # Convert Pydantic model to dict for uniform processing
@@ -935,9 +932,6 @@ def bulk_item_insert(
                 # Immediately raise on the first invalid item (strict mode)
                 raise
 
-        if not processed_items:
-            return "No valid items to insert."
-
         collection_id = processed_items[0]["collection"]
         attempted = len(processed_items)
         success, errors = self.database.bulk_sync(