fix up documentation for virtualbox key pair ssh options

helper/communicator/config.go

@@ -119,7 +119,8 @@ type SSH struct {
 	// The time to wait for SSH to become available. Packer uses this to
 	// determine when the machine has booted so this is usually quite long.
 	// Example value: `10m`.
-	SSHTimeout     time.Duration `mapstructure:"ssh_timeout"`
+	SSHTimeout time.Duration `mapstructure:"ssh_timeout"`
+	// Deprecated in favor of SSHTimeout
 	SSHWaitTimeout time.Duration `mapstructure:"ssh_wait_timeout" undocumented:"true"`
 	// If true, the local SSH agent will be used to authenticate connections to
 	// the source instance. No temporary keypair will be created, and the

website/pages/docs/builders/virtualbox/iso.mdx

@@ -171,10 +171,6 @@ necessary for this build to succeed and can be found further down the page.
 
 @include 'helper/communicator/SSH-not-required.mdx'
 
-@include 'helper/communicator/SSH-Temporary-Key-Pair-not-required.mdx'
-
-@include 'helper/communicator/SSH-Key-Pair-Name-not-required.mdx'
-
 @include 'helper/communicator/SSH-Private-Key-File-not-required.mdx'
 
 @include 'helper/communicator/SSH-Agent-Auth-not-required.mdx'

website/pages/partials/builders/virtualbox-ssh-key-pair.mdx

@@ -1,17 +1,17 @@
 ### SSH key pair automation
 
 The VirtualBox builders can inject the current SSH key pair's public key into
-the template using the following variable:
-
-- `SSHPublicKey` (_VirtualBox builders only_) - This is the SSH public key
-  as a line in OpenSSH authorized_keys format.
+the template using the `SSHPublicKey` template engine.  This is the SSH public 
+key as a line in OpenSSH authorized_keys format.
 
 When a private key is provided using `ssh_private_key_file`, the key's
-corresponding public key can be accessed using the above variables.
+corresponding public key can be accessed using the above engine.
+
+@include 'helper/communicator/SSH-Private-Key-File-not-required.mdx'
 
 If `ssh_password` and `ssh_private_key_file` are not specified, Packer will
 automatically generate en ephemeral key pair. The key pair's public key can
-be accessed using the template variables.
+be accessed using the template engine.
 
 For example, the public key can be provided in the boot command as a URL
 encoded string by appending `| urlquery` to the variable: