Remove Django 1.5 clean_manytomany_helptext fallback

rest_framework/compat.py

@@ -106,17 +106,6 @@ try:
 except ImportError:
     django_filters = None
 
-if django.VERSION >= (1, 6):
-    def clean_manytomany_helptext(text):
-        return text
-else:
-    # Up to version 1.5 many to many fields automatically suffix
-    # the `help_text` attribute with hardcoded text.
-    def clean_manytomany_helptext(text):
-        if text.endswith(' Hold down "Control", or "Command" on a Mac, to select more than one.'):
-            text = text[:-69]
-        return text
-
 # Django-guardian is optional. Import only if guardian is in INSTALLED_APPS
 # Fixes (#1712). We keep the try/except for the test suite.
 guardian = None

rest_framework/utils/field_mapping.py

@@ -8,7 +8,6 @@ from django.core import validators
 from django.db import models
 from django.utils.text import capfirst
 
-from rest_framework.compat import clean_manytomany_helptext
 from rest_framework.validators import UniqueValidator
 
 NUMERIC_FIELD_TYPES = (
@@ -222,7 +221,7 @@ def get_relation_kwargs(field_name, relation_info):
     if model_field:
         if model_field.verbose_name and needs_label(model_field, field_name):
             kwargs['label'] = capfirst(model_field.verbose_name)
-        help_text = clean_manytomany_helptext(model_field.help_text)
+        help_text = model_field.help_text
         if help_text:
             kwargs['help_text'] = help_text
         if not model_field.editable: