Remove document id primary key

generator/explores/glean_ping_explore.py

@@ -46,7 +46,6 @@ class GleanPingExplore(PingExplore):
                     "relationship": "one_to_many",
                     "sql": (
                         f"LEFT JOIN UNNEST(${{{base_name}.{metric}}}) AS {view_name} "
-                        f"ON ${{{base_name}.document_id}} = ${{{view_name}.document_id}}"
                     ),
                 }
             )

generator/views/ping_view.py

@@ -71,9 +71,7 @@ class PingView(View):
 
         # set document id field as a primary key for joins
         view_defn["dimensions"] = [
-            d if d["name"] != "document_id" else dict(**d, primary_key="yes")
-            for d in dimensions
-            if not lookml_utils._is_dimension_group(d)
+            d for d in dimensions if not lookml_utils._is_dimension_group(d)
         ]
         view_defn["dimension_groups"] = [
             d for d in dimensions if lookml_utils._is_dimension_group(d)