Apply spotless plugin rules

Author: vietj

vertx-auth-mongo/src/main/java/examples/package-info.java

@@ -1,4 +1,4 @@
 @Source
 package examples;
 
-import io.vertx.docgen.Source;
+import io.vertx.docgen.Source;

vertx-auth-mongo/src/main/java/io/vertx/ext/auth/mongo/MongoUserUtil.java

@@ -15,11 +15,8 @@
  */
 package io.vertx.ext.auth.mongo;
 
-import io.vertx.codegen.annotations.Fluent;
 import io.vertx.codegen.annotations.VertxGen;
-import io.vertx.core.AsyncResult;
 import io.vertx.core.Future;
-import io.vertx.core.Handler;
 import io.vertx.ext.auth.mongo.impl.MongoUserUtilImpl;
 import io.vertx.ext.mongo.MongoClient;
 

vertx-auth-mongo/src/test/java/io/vertx/ext/auth/mongo/test/MongoUserUtilTest.java

@@ -16,7 +16,6 @@
 
 package io.vertx.ext.auth.mongo.test;
 
-import io.vertx.core.json.JsonObject;
 import io.vertx.ext.auth.authentication.Credentials;
 import io.vertx.ext.auth.authentication.UsernamePasswordCredentials;
 import io.vertx.ext.auth.authorization.Authorization;