fix typo

Author: crossle

analysis_options.yaml

@@ -8,13 +8,6 @@ analyzer:
     public_member_api_docs: ignore
     lines_longer_than_80_chars: ignore
     avoid_function_literals_in_foreach_calls: ignore
-    implicit_dynamic_parameter: ignore
-    implicit_dynamic_type: ignore
-    implicit_dynamic_map_literal: ignore
-    implicit_dynamic_method: ignore
-    implicit_dynamic_list_literal: ignore
-    implicit_dynamic_variable: ignore
-    implicit_dynamic_function: ignore
     avoid_setters_without_getters: ignore
     #    experimental lint
     use_build_context_synchronously: ignore