Issue #56, remove configurability of the checksum algorithm

mayan/apps/documents/settings.py

@@ -1,6 +1,5 @@
 """Configuration options for the documents app"""
 
-import hashlib
 import os
 import uuid
 
@@ -10,11 +9,6 @@ from django.utils.translation import ugettext_lazy as _
 from smart_settings.api import register_settings
 
 
-def default_checksum(x):
-    """hashlib.sha256(x).hexdigest()"""
-    return hashlib.sha256(x).hexdigest()
-
-
 def default_uuid():
     """unicode(uuid.uuid4())"""
     return unicode(uuid.uuid4())
@@ -25,7 +19,6 @@ register_settings(
     module=u'documents.settings',
     settings=[
         # Saving
-        {'name': u'CHECKSUM_FUNCTION', 'global_name': u'DOCUMENTS_CHECKSUM_FUNCTION', 'default': default_checksum},
         {'name': u'UUID_FUNCTION', 'global_name': u'DOCUMENTS_UUID_FUNCTION', 'default': default_uuid},
         # Storage
         {'name': u'STORAGE_BACKEND', 'global_name': u'DOCUMENTS_STORAGE_BACKEND', 'default': 'storage.backends.filebasedstorage.FileBasedStorage'},