Remove ID token since it's not used

Author: Matt Raible

src/main/java/com/okta/developer/jugtours/web/UserController.java

@@ -6,7 +6,6 @@
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
-import org.springframework.security.oauth2.core.oidc.OidcIdToken;
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -34,9 +33,7 @@ public ResponseEntity<?> getUser(@AuthenticationPrincipal OAuth2User user) {
  }
 
  @PostMapping("/api/logout")
- public ResponseEntity<?> logout(HttpServletRequest request,
- @AuthenticationPrincipal(expression = "idToken") OidcIdToken idToken) {
-
+ public ResponseEntity<?> logout(HttpServletRequest request) {
  StringBuilder logoutUrl = new StringBuilder();
  String issuerUri = this.registration.getProviderDetails().getIssuerUri();
  logoutUrl.append(issuerUri.endsWith("/") ? issuerUri + "v2/logout" : issuerUri + "/v2/logout");