big commit with letters removal

app/utils/templates.py

@@ -1,8 +1,5 @@
-from flask import current_app
 from notifications_utils.template import (
     EmailPreviewTemplate,
-    LetterImageTemplate,
-    LetterPreviewTemplate,
     SMSPreviewTemplate,
 )
 
@@ -12,18 +9,12 @@ def get_sample_template(template_type):
         return EmailPreviewTemplate({'content': 'any', 'subject': '', 'template_type': 'email'})
     if template_type == 'sms':
         return SMSPreviewTemplate({'content': 'any', 'template_type': 'sms'})
-    if template_type == 'letter':
-        return LetterImageTemplate(
-            {'content': 'any', 'subject': '', 'template_type': 'letter'}, postage='second', image_url='x', page_count=1
-        )
 
 
 def get_template(
     template,
     service,
     show_recipient=False,
-    letter_preview_url=None,
-    page_count=1,
     redact_missing_personalisation=False,
     email_reply_to=None,
     sms_sender=None,
@@ -47,19 +38,3 @@ def get_template(
             show_recipient=show_recipient,
             redact_missing_personalisation=redact_missing_personalisation,
         )
-    if 'letter' == template['template_type']:
-        if letter_preview_url:
-            return LetterImageTemplate(
-                template,
-                image_url=letter_preview_url,
-                page_count=int(page_count),
-                contact_block=template['reply_to_text'],
-                postage=template['postage'],
-            )
-        else:
-            return LetterPreviewTemplate(
-                template,
-                contact_block=template['reply_to_text'],
-                admin_base_url=current_app.config['ADMIN_BASE_URL'],
-                redact_missing_personalisation=redact_missing_personalisation,
-            )