network upgrade message removed

post-upgrade.sh

@@ -38,6 +38,10 @@ if [ $cur_schema_version -lt $new_schema_version ]; then
     echo "Wordpress database upgrade done"
 
     echo $new_schema_version > $guard_file
+
+    noblogs remove-network-upgrade-message
+
+    echo "network upgrade message removed"
 fi
 
-exit 0
+exit 0
\ No newline at end of file