Remove `HomeServer.get_datastore()` (#12031)

The presence of this method was confusing, and mostly present for backwards
compatibility. Let's get rid of it.

Part of #11733

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/storage/test_registration.py b/tests/storage/test_registration.py

index 9748065282..1fa495f778 100644
--- a/tests/storage/test_registration.py
+++ b/tests/storage/test_registration.py
@@ -20,7 +20,7 @@ from tests.unittest import HomeserverTestCase
 
 class RegistrationStoreTestCase(HomeserverTestCase):
     def prepare(self, reactor, clock, hs):
-        self.store = hs.get_datastore()
+        self.store = hs.get_datastores().main
 
         self.user_id = "@my-user:test"
         self.tokens = ["AbCdEfGhIjKlMnOpQrStUvWxYz", "BcDeFgHiJkLmNoPqRsTuVwXyZa"]