blast_repo fixes (dart-archive/web_socket_channel#385)

drop-lint

Author: kevmoo

pkgs/web_socket_channel/analysis_options.yaml

@@ -19,7 +19,6 @@ linter:
   - missing_whitespace_between_adjacent_strings
   - no_adjacent_strings_in_list
   - no_runtimeType_toString
-  - package_api_docs
   - prefer_const_declarations
   - prefer_expression_function_bodies
   - prefer_final_locals