Don't use #client_via_uid fallback on Password strategy

Since credentials will only contain UID when a public application is calling, the fallback method of finding by UID alone is dead code. Private apps are not allowed to be identified by UID alone.

Author: Justin Bull

lib/doorkeeper/request/password.rb

@@ -3,7 +3,7 @@
 module Doorkeeper
   module Request
     class Password < Strategy
-      delegate :credentials, :resource_owner, :parameters, to: :server
+      delegate :credentials, :resource_owner, :parameters, :client, to: :server
 
       def request
         @request ||= OAuth::PasswordAccessTokenRequest.new(
@@ -13,16 +13,6 @@ def request
           parameters
         )
       end
-
-      private
-
-      def client
-        if credentials
-          server.client
-        elsif parameters[:client_id]
-          server.client_via_uid
-        end
-      end
     end
   end
 end