Revert "guests/tinycore: error if DHCP [GH-4699]"

This reverts commit 64139f2158.

plugins/guests/tinycore/cap/configure_networks.rb

@@ -7,10 +7,6 @@ module VagrantPlugins
         def self.configure_networks(machine, networks)
           machine.communicate.tap do |comm|
             networks.each do |n|
-              if n[:type] == :dhcp
-                raise Errors::NetworkStaticOnly
-              end
-
               ifc = "/sbin/ifconfig eth#{n[:interface]}"
               broadcast = (IPAddr.new(n[:ip]) | (~ IPAddr.new(n[:netmask]))).to_s
               comm.sudo("#{ifc} down")

plugins/guests/tinycore/errors.rb

@@ -1,13 +0,0 @@
-module VagrantPlugins
-  module GuestTinyCore
-    module Errors
-      class TinyCoreError < Vagrant::Errors::VagrantError
-        error_namespace("vagrant_tinycore.errors")
-      end
-
-      class NetworkStaticOnly < TinyCoreError
-        error_key(:network_static_only)
-      end
-    end
-  end
-end

plugins/guests/tinycore/plugin.rb

@@ -2,45 +2,29 @@ require "vagrant"
 
 module VagrantPlugins
   module GuestTinyCore
-    autoload :Errors, File.expand_path("../errors", __FILE__)
-
     class Plugin < Vagrant.plugin("2")
       name "TinyCore Linux guest."
       description "TinyCore Linux guest support."
 
       guest("tinycore", "linux")  do
         require File.expand_path("../guest", __FILE__)
-        init!
         Guest
       end
 
       guest_capability("tinycore", "configure_networks") do
         require_relative "cap/configure_networks"
-        init!
         Cap::ConfigureNetworks
       end
 
       guest_capability("tinycore", "halt") do
         require_relative "cap/halt"
-        init!
         Cap::Halt
       end
 
       guest_capability("tinycore", "rsync_install") do
         require_relative "cap/rsync"
-        init!
         Cap::RSync
       end
-
-      protected
-
-      def self.init!
-        return if defined?(@_init)
-        I18n.load_path << File.expand_path(
-          "templates/locales/guest_tinycore.yml", Vagrant.source_root)
-        I18n.reload!
-        @_init = true
-      end
     end
   end
 end

templates/locales/guest_tinycore.yml

@@ -1,8 +0,0 @@
-en:
-  vagrant_tinycore:
-    errors:
-      network_static_only: |-
-        The TinyCore guest doesn't support DHCP for networks. Please use
-        a static assigned IP. If you know how to configure DHCP for
-        TinyCore, please open an issue on Vagrant with the steps and we'd
-        be happy to bring this functionality in.