Fix overeager metadata loading in datamodel

frontend/src/metabase/admin/datamodel/metadata.js

@@ -19,15 +19,8 @@ const Metabase = new AngularResourceProxy("Metabase", ["dataset"]);
 const Revisions = new AngularResourceProxy("Revisions", ["get"]);
 
 
-async function loadDatabaseMetadata(databaseId) {
-    let databaseMetadata = await MetabaseApi.db_metadata({ 'dbId': databaseId });
-
-    databaseMetadata.tables = await Promise.all(databaseMetadata.tables.map(async (table) => {
-        table = await augmentTable(table);
-        return table;
-    }));
-
-    return databaseMetadata;
+function loadDatabaseMetadata(databaseId) {
+    return MetabaseApi.db_metadata({ 'dbId': databaseId });
 }
 
 // initializeMetadata