Remove /presenter context configuration for Jetty

Presenter now starts a proxy server to the backend API on its own.

pom.xml

@@ -17,8 +17,6 @@
 		<mobile.testing.path>../arsnova-mobile/src/main/webapp/build/testing/ARSnova</mobile.testing.path>
 		<mobile.path>${mobile.production.path}</mobile.path>
 		<customization.path>${basedir}/../arsnova-customization/src/main/webapp</customization.path>
-		<presenter.rootPath>${basedir}/../arsnova-presenter</presenter.rootPath>
-		<presenter.outputDir>target/arsnova-presenter-${presenter.version}</presenter.outputDir>
 	</properties>
 
 	<developers>
@@ -363,14 +361,6 @@
 							<contextPath>/mobile</contextPath>
 							<resourceBase>${mobile.path}</resourceBase>
 						</contextHandler>
-						<contextHandler implementation="org.eclipse.jetty.webapp.WebAppContext">
-							<contextPath>/presenter</contextPath>
-							<baseResource implementation="org.eclipse.jetty.util.resource.ResourceCollection">
-								<resourcesAsCSV>${presenter.rootPath}/${presenter.outputDir},${presenter.rootPath}/src/main/websources,${presenter.rootPath}/src/main/webapp</resourcesAsCSV>
-							</baseResource>
-							<descriptor>${presenter.rootPath}/src/main/config/WEB-INF/web.dev.xml</descriptor>
-							<aliasCheck implementation="org.eclipse.jetty.server.handler.AllowSymLinkAliasChecker" />
-						</contextHandler>
 						<contextHandler implementation="org.eclipse.jetty.webapp.WebAppContext">
 							<contextPath>/customization</contextPath>
 							<resourceBase>${customization.path}</resourceBase>