Delete unnecessary version tag

Author: rujche

aad/spring-security/servlet/oauth2/login-authenticate-using-private-key-jwt/pom.xml

@@ -59,7 +59,6 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-jackson2</artifactId>
-      <version>4.0.3</version> <!-- {x-version-update;springboot4_org.springframework.boot:spring-boot-jackson2;external_dependency} -->
     </dependency>
   </dependencies>