removed netmask for private network so it uses default

Author: Syrus

Vagrantfile

@@ -44,7 +44,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   # running a private network eliminates the chances of conflicting with the network you are connected to. 
   # this is particularly useful when you want to run the vm on your laptop and endup being on various networks
   # or even no network connectivity 
-  config.vm.network :private_network, ip: "192.168.99.100", netmask: "255.255.255.255"
+  config.vm.network :private_network, ip: "192.168.99.100"
 
   # Create a public network, obtain it's ip through dhcp and bridge it through host's en0
   # config.vm.network :public_network, :bridge => 'en0: Ethernet'