BAEL-8507 Merge spring-data-spring-security into another appropriate module

- Removed project spring-data-spring-security and moved its content in spring-security-mvc-boot

spring-security-mvc-boot/src/main/java/com/baeldung/security/AuthenticationSuccessHandlerImpl.java

@@ -0,0 +1,28 @@
+package com.baeldung.security;
+
+import java.io.IOException;
+import java.util.Date;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
+import org.springframework.stereotype.Component;
+
+import com.baeldung.data.repositories.UserRepository;
+
+@Component
+public class AuthenticationSuccessHandlerImpl implements AuthenticationSuccessHandler {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Override
+    public void onAuthenticationSuccess(HttpServletRequest arg0, HttpServletResponse arg1, Authentication arg2) throws IOException, ServletException {
+        userRepository.updateLastLogin(new Date());
+    }
+
+}