Remove faas-cli from on-device builds
Remove faas-cli from on-device builds

faas-cli is built for arm/arm64 as part of the main build in
Travis

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <5f7133baa0f5c7ca63ff11e11f2e2b0d2cf077c8@gmail.com>

alexellis/faas,openfaas/faas,alexellis/faas,alexellis/faas,alexellis/faas,alexellis/faas,alexellis/faas,alexellis/faas,alexellis/faas,openfaas/faas,openfaas/faas,alexellis/faas