Remove superfluous error (#144)

kevmoo · web-flow · commit 4ba24aee03ab · 2017-04-18T15:38:15.000-07:00
This is already an error – no points for duplication
diff --git a/analysis_options.yaml b/analysis_options.yaml
@@ -3,7 +3,6 @@ analyzer:
  errors:
    unused_import: error
    unused_local_variable: error
-   invalid_assignment: error
    dead_code: error
 linter:
   rules:
