blast_repo fixes (dart-archive/stack_trace#164)

drop-lint

Author: kevmoo

pkgs/stack_trace/analysis_options.yaml

@@ -17,7 +17,6 @@ linter:
     - missing_whitespace_between_adjacent_strings
     - no_adjacent_strings_in_list
     - no_runtimeType_toString
-    - package_api_docs
     - prefer_const_declarations
     - unnecessary_await_in_return
     - use_string_buffers