Stop building y2016_bot3

The tests weren't passing, so it wasn't being checked, so it no longer
builds.

Change-Id: I8b2d6018bb56eded0dfce0064454566968f40c1a
diff --git a/NO_BUILD_ROBORIO b/NO_BUILD_ROBORIO
index 839238a..eed12f3 100644
--- a/NO_BUILD_ROBORIO
+++ b/NO_BUILD_ROBORIO
@@ -9,3 +9,4 @@
 -//y2016/control_loops/python/...
 -//y2016_bot3/control_loops/python/...
 -//third_party/protobuf/...
+-//y2016_bot3/...