[example] Revert to a simple greeter (#474)

Author: igalshilman

packages/restate-sdk-examples/src/greeter.ts

@@ -15,15 +15,7 @@ const greeter = service({
   name: "greeter",
   handlers: {
     greet: async (ctx: Context, name: string) => {
-      const { id, promise } = ctx.awakeable<string>();
-
-      ctx.console.log(
-        `curl -X POST http://localhost:8080/restate/awakeables/${id}/resolve --json '"Guardiani"'`
-      );
-
-      const surnameProm = promise.orTimeout(1000 * 10);
-
-      return `Hello ${name} ${await surnameProm}`;
+      return `Hello ${name}`;
     },
   },
 });