Remove completely unused concepts from codebase

Removes device_id and ClientInfo

device_id is never actually written, and the matrix.org DB has no
non-null entries for it. Right now, it's just cluttering up code.

This doesn't remove the columns from the database, because that's
fiddly.

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py

index f2fd0b9f32..83a257b969 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -87,7 +87,7 @@ class SyncRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request):
-        user, client = yield self.auth.get_user_by_req(request)
+        user, _ = yield self.auth.get_user_by_req(request)
 
         timeout = parse_integer(request, "timeout", default=0)
         limit = parse_integer(request, "limit", required=True)