title: Is deletion of property from entity used in published API backward compatible
body: <p>For instance I use this class in published API:</p>
  
  <pre><code>public class RestEntity
  {
      public string Prop1{get;set;}
      public string Prop2{get;set;}
  }
  </code></pre>
  
  <p>Is deletion of <strong>Prop1</strong> from <strong>RestEntity</strong> backward compatible?</p>