Remove now unused Wicket dependency declaration
Remove now unused Wicket dependency declaration

Only the now removed DCI/DDD samples used to depend on it

Qi4j/qi4j-sdk,Qi4j/qi4j-sdk,apache/zest-qi4j,apache/zest-qi4j,Qi4j/qi4j-sdk,apache/zest-qi4j,apache/zest-qi4j,Qi4j/qi4j-sdk,Qi4j/qi4j-sdk,apache/zest-qi4j