TCDICORE-184 code clean up

Author: dynamodenis

forms/src/main/java/org/devgateway/toolkit/forms/wicket/FormsWebApplication.java

@@ -13,7 +13,6 @@
 
 import com.google.javascript.jscomp.CompilationLevel;
 import de.agilecoders.wicket.core.Bootstrap;
-import de.agilecoders.wicket.core.markup.html.RenderJavaScriptToFooterHeaderResponseDecorator;
 import de.agilecoders.wicket.core.request.resource.caching.version.Adler32ResourceVersion;
 import de.agilecoders.wicket.core.settings.BootstrapSettings;
 import de.agilecoders.wicket.core.settings.IBootstrapSettings;
@@ -23,7 +22,6 @@
 import de.agilecoders.wicket.extensions.markup.html.bootstrap.editor.SummernoteStoredImageResourceReference;
 import de.agilecoders.wicket.less.BootstrapLess;
 import de.agilecoders.wicket.webjars.WicketWebjars;
-import de.agilecoders.wicket.webjars.request.resource.WebjarsJavaScriptResourceReference;
 import nl.dries.wicket.hibernate.dozer.DozerRequestCycleListener;
 import nl.dries.wicket.hibernate.dozer.SessionFinderHolder;
 import org.apache.wicket.Application;
@@ -33,20 +31,16 @@
 import org.apache.wicket.ajax.AjaxNewWindowNotifyingBehavior;
 import org.apache.wicket.authroles.authentication.AuthenticatedWebApplication;
 import org.apache.wicket.authroles.authentication.AuthenticatedWebSession;
-//import org.apache.wicket.devutils.diskstore.DebugDiskDataStore;
 import org.apache.wicket.csp.CSPDirective;
 import org.apache.wicket.csp.CSPDirectiveSrcValue;
-import org.apache.wicket.markup.head.IHeaderResponse;
 import org.apache.wicket.markup.head.filter.JavaScriptFilteredIntoFooterHeaderResponse;
-import org.apache.wicket.markup.html.IHeaderResponseDecorator;
 import org.apache.wicket.markup.html.IPackageResourceGuard;
 import org.apache.wicket.markup.html.SecurePackageResourceGuard;
 import org.apache.wicket.markup.html.WebPage;
 import org.apache.wicket.request.resource.JavaScriptResourceReference;
 import org.apache.wicket.request.resource.ResourceReference;
 import org.apache.wicket.request.resource.caching.FilenameWithVersionResourceCachingStrategy;
 import org.apache.wicket.request.resource.caching.version.CachingResourceVersion;
-import org.apache.wicket.resource.JQueryResourceReference;
 import org.apache.wicket.settings.RequestCycleSettings.RenderStrategy;
 import org.apache.wicket.spring.injection.annot.SpringComponentInjector;
 import org.apache.wicket.util.file.Folder;
@@ -75,10 +69,8 @@
 import org.wicketstuff.select2.ApplicationSettings;
 
 import java.math.BigDecimal;
-import java.time.Duration;
 import java.time.LocalDate;
 import java.time.ZonedDateTime;
-import java.util.Iterator;
 
 /**
  * The web application class also serves as spring boot starting point by using