Remove vagrant SSH configuration options
Remove vagrant SSH configuration options

do not require ssh key

tamara32/https-github.com-coinbase-toshi,georgemillo/toshi,tamara32/https-github.com-coinbase-toshi,dan-da/toshi,georgemillo/toshi,ciremiths3/toshi,tamara32/https-github.com-coinbase-toshi,wakashige/toshi,wakashige/toshi,dan-da/toshi,ciremiths3/toshi,wakashige/toshi,ciremiths3/toshi,se3000/toshi,dan-da/toshi,georgemillo/toshi,se3000/toshi,se3000/toshi