Kill camera_frames queue

Use EventLoop instead.

Change-Id: I39352fecbddd677a32de1a0e77ac11947bc76c6f
diff --git a/y2019/vision/server/BUILD b/y2019/vision/server/BUILD
index 01260e1..3600194 100644
--- a/y2019/vision/server/BUILD
+++ b/y2019/vision/server/BUILD
@@ -49,6 +49,7 @@
         ":server_data_proto",
         "//aos:init",
         "//aos/containers:ring_buffer",
+        "//aos/events:shm-event-loop",
         "//aos/logging",
         "//aos/seasocks:seasocks_logger",
         "//aos/time",