Removed the controller

Based on the editor comments in the post.

spring-boot/src/main/java/com/baeldung/springbootnonwebapp/HelloController.java

@@ -1,20 +0,0 @@
-package com.baeldung.springbootnonwebapp;
-
-import java.time.LocalDate;
-
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-/**
- * Controller exposing rest web services
- * @author hemant
- *
- */
-@RestController
-public class HelloController {
-
-	@RequestMapping("/")
-	public LocalDate getMinLocalDate() {
-		return LocalDate.MIN;
-	}
-}