Revert "More functionality in kernel_impact." and "Compute NativeBehavior for foreign functions."

pkg/compiler/lib/src/resolution/registry.dart

Index: pkg/compiler/lib/src/resolution/registry.dart
diff --git a/pkg/compiler/lib/src/resolution/registry.dart b/pkg/compiler/lib/src/resolution/registry.dart
index 51d7e81f0552eb998b84c2a86e3a535c8a735f49..da2c129a097142e08c1c09fadca8985a9859293e 100644
--- a/pkg/compiler/lib/src/resolution/registry.dart
+++ b/pkg/compiler/lib/src/resolution/registry.dart
@@ -331,13 +331,6 @@ class ResolutionRegistry extends Registry {
     impactBuilder.registerTypeUse(typeUse);
   }
 
-  /// Register checked mode check of [type] if it isn't `dynamic`.
-  void registerCheckedModeCheck(DartType type) {
-    if (!type.isDynamic) {
-      impactBuilder.registerTypeUse(new TypeUse.checkedModeCheck(type));
-    }
-  }
-
   void registerSuperUse(SourceSpan span) {
     mapping.addSuperUse(span);
   }