fix typo

Author: amleczko

por/dashboard/events.py

@@ -292,9 +292,6 @@ def before_contract_editrender(context, event):
         fs.configure(readonly=fs.readonly)
     fs.description.set(renderer=RichTextFieldRenderer(use='tinymce', theme='simple'))
     fs.append(fs.name.required())
-    del fs._render_fields['project']
-    del fs._render_fields['time_entries']
-    del fs._render_fields['customer_requests']
     for field in ['name', 'contract_number', 'ammount', 'days', 'start_date', 'end_date', 'description']:
         fs.append(fs._render_fields.pop(field))