Update en-US.json (#1913)

Author: eureka2046

examples/type-safe/global-type-definition/src/locales/en-US.json

@@ -1,7 +1,7 @@
 {
-  "hello": "こんにちは、世界！",
+  "hello": "hello world!",
   "menu": {
-    "login": "ログイン"
+    "login": "login"
   },
-  "errors": ["エラー！"]
+  "errors": ["Error!"]
 }