Drop dependencies on build_runner, etc – not used!
diff --git a/pubspec.yaml b/pubspec.yaml
index 1b2e96e..c21ed90 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,3 @@
   fake_async: ^1.0.0
   stack_trace: ^1.0.0
   test: ^1.0.0
-  # For building and testing with DDC
-  build_runner: ^1.0.0
-  build_web_compilers: ^1.0.0
-  build_test: ^0.10.1