[ONOS-3634] Remove readme tag from app.xml

Change-Id: I536f54f74586a0bb5c671564f71b44a0a871d5f6
diff --git a/app.xml b/app.xml
index 9ad7681..019ae46 100644
--- a/app.xml
+++ b/app.xml
@@ -19,7 +19,6 @@
      featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
      features="${project.artifactId}">
     <description>${project.description}</description>
-    <readme>ONOS authentication application.</readme>
     <artifact>mvn:${project.groupId}/${project.artifactId}/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-app-xos-integration/${project.version}</artifact>
     <bundle>mvn:com.sun.jersey/jersey-client/1.19</bundle>