Removed wrong tag from gcube-app.xml

.settings/.gitignore

@@ -1,2 +1,3 @@
 /org.eclipse.core.resources.prefs
 /org.eclipse.jdt.core.prefs
+/org.eclipse.m2e.core.prefs

gcube/extra-resources/WEB-INF/gcube-app.xml

@@ -5,6 +5,5 @@
 	<group>${serviceClass}</group>
 	<version>${project.version}</version>
 	<description>${project.description}</description>
-	<local-persistence location='target' />
 	<exclude handlers='request-accounting'>/*</exclude>
 </application>