Cleanup leftover code and comments, and multiline log message

Author: aaron-seo

deps/rabbitmq_web_dispatch/priv/schema/rabbitmq_web_dispatch.schema

@@ -7,8 +7,8 @@
 %% ===========================================================================
 %% Auth Backends
 
-%% Select an authentication backend to use for the management plugin. RabbitMQ provides an
-%% internal backend in the core.
+%% Select an authentication backend to use for rabbitmq_web_dispatch (HTTP).
+%% RabbitMQ provides an internal backend in the core.
 %%
 %% {http_dispatch.auth_backends, [rabbit_auth_backend_internal]},
 
@@ -95,6 +95,3 @@ end}.
 {mapping, "http_dispatch.auth_backends.$num.authz", "rabbitmq_web_dispatch.auth_backends",[
     {datatype, atom}
 ]}.
-
-%{mapping, "management.test_config", "rabbitmq_management.test_config",
-%    [{datatype, {enum, [true, false]}}]}.

deps/rabbitmq_web_dispatch/src/rabbit_web_dispatch_access_control.erl

@@ -366,7 +366,7 @@ is_basic_auth_disabled(#auth_settings{basic_auth_enabled = Enabled}) ->
 get_auth_backends() ->
     case application:get_env(rabbitmq_web_dispatch, auth_backends) of
 		{ok, Backends} -> {ok, Backends};
-		undefined -> rabbit_log:debug("rabbitmq_web_dispatch.auth_backends not configured,
-                                falling back to rabbit.auth_backends"),
+		undefined -> rabbit_log:debug("rabbitmq_web_dispatch.auth_backends not "
+		                              "configured, falling back to rabbit.auth_backends"),
                      application:get_env(rabbit, auth_backends)
 	end.