Disable TIP build.
Disable TIP build.

Because we don't care about development releases.

Signed-off-by: David Calavera <b9b0c8e7f90ecf337f6797c4d2e0f1dd0dbc0324@gmail.com>

docker/engine-api,vdemeester/engine-api,mikedougherty/engine-api,jwhonce/engine-api,thaJeztah/engine-api