docs: update MetadataDbClient examples

Author: helen-m-lin

docs/source/ExamplesDocDBRestApi.rst

@@ -18,13 +18,14 @@ Count Example 1: Get # of records with a certain subject_id
   from aind_data_access_api.document_db import MetadataDbClient
 
   API_GATEWAY_HOST = "api.allenneuraldynamics.org"
-  DATABASE = "metadata_index"
-  COLLECTION = "data_assets"
+  # Default database and collection names are set in the client
+  # DATABASE = "metadata_index"
+  # COLLECTION = "data_assets"
 
   docdb_api_client = MetadataDbClient(
       host=API_GATEWAY_HOST,
-      database=DATABASE,
-      collection=COLLECTION,
+      # database=DATABASE,
+      # collection=COLLECTION,
   )
 
   filter = {"subject.subject_id": "731015"}
@@ -136,8 +137,6 @@ It's possible to attach a custom Session to retry certain requests errors:
     from aind_data_access_api.document_db import MetadataDbClient
 
     API_GATEWAY_HOST = "api.allenneuraldynamics.org"
-    DATABASE = "metadata_index"
-    COLLECTION = "data_assets"
 
     retry = Retry(
         total=5,
@@ -151,8 +150,6 @@ It's possible to attach a custom Session to retry certain requests errors:
 
     with MetadataDbClient(
         host=API_GATEWAY_HOST,
-        database=DATABASE,
-        collection=COLLECTION,
         session=session,
     ) as docdb_api_client:
         records = docdb_api_client.retrieve_docdb_records(limit=10)

docs/source/UserGuide.rst

@@ -54,13 +54,14 @@ REST API
    from aind_data_access_api.document_db import MetadataDbClient
 
    API_GATEWAY_HOST = "api.allenneuraldynamics.org"
-   DATABASE = "metadata_index"
-   COLLECTION = "data_assets"
+   # Default database and collection names are set in the client
+   # DATABASE = "metadata_index"
+   # COLLECTION = "data_assets"
 
    docdb_api_client = MetadataDbClient(
       host=API_GATEWAY_HOST,
-      database=DATABASE,
-      collection=COLLECTION,
+      # database=DATABASE,
+      # collection=COLLECTION,
    )
 
    filter = {"subject.subject_id": "731015"}