Deleted extraneous form code

InvenTree/build/forms.py

@@ -1,19 +1,12 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django import forms
-from crispy_forms.helper import FormHelper
+from InvenTree.forms import HelperForm
 
 from .models import Build
 
 
-class EditBuildForm(forms.ModelForm):
-
-    def __init__(self, *args, **kwargs):
-        super(EditBuildForm, self).__init__(*args, **kwargs)
-        self.helper = FormHelper()
-
-        self.helper.form_tag = False
+class EditBuildForm(HelperForm):
 
     class Meta:
         model = Build