remove examplpe policy file

org.framed.iorm.ui/modules/compartment/simpleExample.editpolicy

-<?xml version="1.0" encoding="UTF-8"?>
-<Editpolicymodel:Model xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:Editpolicymodel="http://www.example.org/editpolicymodel" xsi:schemaLocation="http://www.example.org/editpolicymodel editpolicymodel.ecore">
-  <policy>
-    <constraintRule xsi:type="Editpolicymodel:IsStepOutConstraintRule"/>
-    <featureRule xsi:type="Editpolicymodel:NotFeatureRule" argument="FEATURE_COMPARTMENT"/>
-  </policy>
-</Editpolicymodel:Model>