remove check to prevent creation of local accounts if disabled

for two reasons:
- it is no longer a concern since email addresses are well verified now
- it was broken (an entry would be created in auth_user anyway,
  whereas the other tables would not be updated)
- it was doubly broken (raise PermissionError on first gitlab login too)

django/allgo/main/models.py

@@ -4,7 +4,6 @@ import os
 from django.conf import settings
 from django.contrib import auth
 from django.contrib.auth.models import User, AnonymousUser
-from django.core.exceptions import PermissionDenied
 from django.core.validators import MinLengthValidator, MinValueValidator, \
         RegexValidator
 from django.db import models
@@ -658,10 +657,6 @@ class UserAgreement(BaseModel):
 @receiver(post_save, sender=User)
 def create_user_profile(sender, instance, created, **kwargs):
     if created:
-        if (not config.settings.parse_bool(config.env.ALLGO_ALLOW_LOCAL_ACCOUNTS)
-                and not SocialAccount.objects.filter(user=instance).exists()):
-            # creation of local user accounts not allowed
-            raise PermissionDenied
         AllgoUser.objects.create(user=instance)