revert dynamic lint, add todo: ignore, and dartfmt (#2581)

* revert dynamic lint, add todo: ignore, and dartfmt

* dartfmt has an change at raw dev, but not released... argh

Author: jcollins-g

analysis_options.yaml

@@ -4,6 +4,7 @@ include: package:pedantic/analysis_options.1.11.0.yaml
 
 analyzer:
   errors:
+    todo: ignore
     unused_import: warning
     unused_shown_name: warning
   exclude:
@@ -17,7 +18,6 @@ analyzer:
 linter:
   rules:
     - always_declare_return_types
-    - avoid_dynamic_calls
     - avoid_single_cascade_in_expression_statements
     - avoid_unused_constructor_parameters
     - annotate_overrides

analysis_options_presubmit.yaml

@@ -4,6 +4,7 @@ include: package:pedantic/analysis_options.1.11.0.yaml
 
 analyzer:
   errors:
+    todo: ignore
     unused_import: warning
     unused_shown_name: warning
     ### Extra ignores for presubmit