Remove Link to Jackson javadoc

The javadoc is not published by the team anymore and we should not link
to an outdated version.

Author: bclozel

build.gradle

@@ -84,9 +84,6 @@ configure([rootProject] + javaProjects) { project ->
 			"https://docs.jboss.org/hibernate/orm/5.6/javadocs/",
 			"https://eclipse.dev/aspectj/doc/latest/runtime-api/",
 			"https://www.quartz-scheduler.org/api/2.3.0/",
-			"https://fasterxml.github.io/jackson-core/javadoc/2.14/",
-			"https://fasterxml.github.io/jackson-databind/javadoc/2.14/",
-			"https://fasterxml.github.io/jackson-dataformat-xml/javadoc/2.14/",
 			"https://hc.apache.org/httpcomponents-client-5.4.x/current/httpclient5/apidocs/",
 			"https://projectreactor.io/docs/test/release/api/",
 			"https://junit.org/junit4/javadoc/4.13.2/",