Drop unneeded dependency on pkg:pedantic (dart-lang/yaml_edit#8)

pkgs/yaml_edit/pubspec.yaml

diff --git a/pkgs/yaml_edit/pubspec.yaml b/pkgs/yaml_edit/pubspec.yaml
index 458ab32..a08fd3a 100644
--- a/pkgs/yaml_edit/pubspec.yaml
+++ b/pkgs/yaml_edit/pubspec.yaml
@@ -12,7 +12,6 @@
 dev_dependencies:
   lints: ^1.0.1
   path: ^1.8.0
-  pedantic: ^1.11.1
   test: ^1.17.12
 environment:
   sdk: ">=2.12.0 <3.0.0"