MXS-2246 Remove duplicate info in SERVICE and Service

Both of them contained fields for the service and router names.
Now the names are in SERVICE and they must be accessed via member
function.

server/modules/routing/binlogrouter/blr_event.cc

@@ -316,7 +316,7 @@ bool blr_handle_one_event(MXS_ROUTER* instance, REP_HEADER& hdr, uint8_t* ptr, u
                 MXS_DEBUG("%s: binlog record in file %s, pos %lu has "
                           "SEMI_SYNC_ACK_REQ and needs a Semi-Sync ACK packet to "
                           "be sent to the master server [%s]:%d",
-                          router->service->name,
+                          router->service->name(),
                           router->binlog_name,
                           router->current_pos,
                           router->service->dbref->server->address,