Remove emission of generic type checks.

sdk/lib/_internal/compiler/implementation/js_emitter/type_test_emitter.dart

Index: sdk/lib/_internal/compiler/implementation/js_emitter/type_test_emitter.dart
diff --git a/sdk/lib/_internal/compiler/implementation/js_emitter/type_test_emitter.dart b/sdk/lib/_internal/compiler/implementation/js_emitter/type_test_emitter.dart
index 8733590ed263b5ee00b7ebc00161ac5db0f8e590..67db9cc63040a9506c7cade939de4c6cd88377aa 100644
--- a/sdk/lib/_internal/compiler/implementation/js_emitter/type_test_emitter.dart
+++ b/sdk/lib/_internal/compiler/implementation/js_emitter/type_test_emitter.dart
@@ -299,19 +299,6 @@ class TypeTestEmitter extends CodeEmitterHelper {
         }
       };
     }
-
-    void addSignature(FunctionType type) {
-      jsAst.Expression encoding = rti.getTypeEncoding(type);
-      buffer.add('${namer.signatureName(type)}$_=${_}');
-      buffer.write(jsAst.prettyPrint(encoding, compiler));
-      buffer.add('$N');
-    }
-
-    checkedNonGenericFunctionTypes.forEach(addSignature);
-
-    checkedGenericFunctionTypes.forEach((_, Set<FunctionType> functionTypes) {
-      functionTypes.forEach(addSignature);
-    });
   }
 
   /**