notify-552 remove option to use priority queue from UI

app/main/forms.py

@@ -1234,15 +1234,7 @@ class BaseTemplateForm(StripWhitespaceForm):
             NoCommasInPlaceHolders()
         ]
     )
-    process_type = GovukRadiosField(
-        "Use priority queue?",
-        choices=[
-            ('priority', 'Yes'),
-            ('normal', 'No'),
-        ],
-        thing='yes or no',
-        default='normal'
-    )
+    process_type = HiddenField('normal')
 
 
 class SMSTemplateForm(BaseTemplateForm):

tests/app/main/views/test_templates.py

@@ -658,7 +658,7 @@ def test_should_show_page_template_with_priority_select_if_platform_admin(
 
     assert page.select_one('input[name=name]')['value'] == "Two week reminder"
     assert "Template <em>content</em> with & entity" in str(page.select_one('textarea'))
-    assert "Use priority queue?" in page.text
+    assert "Use priority queue?" not in page.text
     mock_get_service_template.assert_called_with(service_one['id'], template_id, None)