Make powershell error generalized

lib/vagrant/errors.rb

@@ -552,6 +552,10 @@ module Vagrant
       error_key(:powershell_invalid_version)
     end
 
+    class PowerShellError < VagrantError
+      error_key(:powershell_error, "vagrant_ps.errors.powershell_error")
+    end
+
     class ProviderCantInstall < VagrantError
       error_key(:provider_cant_install)
     end

plugins/hosts/windows/cap/configured_ip_addresses.rb

@@ -15,7 +15,7 @@ module VagrantPlugins
           script_path = File.expand_path("../../scripts/host_info.ps1", __FILE__)
           r = Vagrant::Util::PowerShell.execute(script_path)
           if r.exit_code != 0
-            raise Errors::PowershellError,
+            raise Vagrant::Errors::PowerShellError,
               script: script_path,
               stderr: r.stderr
           end

templates/locales/synced_folder_smb.yml

@@ -49,16 +49,6 @@ en:
 
         As another option, you can manually specify an IP for the machine
         to mount from using the `smb_host` option to the synced folder.
-      powershell_error: |-
-        An error occurred while executing a PowerShell script. This error
-        is shown below. Please read the error message and see if this is
-        a configuration error with your system. If it is not, then please
-        report a bug.
-
-        Script: %{script}
-        Error:
-
-        %{stderr}
       powershell_version: |-
         PowerShell version 3 or later is required for SMB synced folders
         to work on Windows. You have version: '%{version}'. Please update