comment out bean due to service start issue

dspace-rest/src/main/webapp/WEB-INF/applicationContext.xml

@@ -30,11 +30,13 @@
     </bean>
 
     <!-- Inject the SolrLoggerUsageEventListener into the EventService  -->
+    <!-- Comment out to enable service in DSpace 7 
     <bean class="org.dspace.statistics.SolrLoggerUsageEventListener">
         <property name="eventService" >
             <ref bean="dspace.eventService"/>
         </property>
     </bean>
+    -->
 
     <!-- TabFileUsageEventListener -->
     <!-- Uncomment to enable