Revert "BAEL-812: List of Rules Engines in Java (#2319)" (#2455)

This reverts commit dc105bc6f2.

spring-core/src/test/java/com/baeldung/autowired/TypesOfBeanInjectionSpringIntegrationTest.java

@@ -1,25 +0,0 @@
-package com.baeldung.autowired;
-
-import org.junit.Assert;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest
-public class TypesOfBeanInjectionSpringIntegrationTest {
-    @Autowired
-    UserService userService;
-
-    private static final String[] expected = new String[] { "Snoopy", "Woodstock", "Charlie Brown" };
-
-    @Test
-    public void givenDI_whenInjectObject_thenUserNamesAreListed() {
-        Assert.assertArrayEquals(expected, userService.listUsers()
-            .stream()
-            .map(User::getName)
-            .toArray());
-    }
-}