simplify vnc_disable_password docs

website/source/docs/builders/vmware-vmx.html.md.erb

@@ -262,9 +262,6 @@ builder.
     binded to for VNC. By default packer will use `127.0.0.1` for this. If you
     wish to bind to all interfaces use `0.0.0.0`.
 
--   `vnc_disable_password` (boolean) - Don't auto-generate a VNC password that
-    is used to secure the VNC communication with the VM.
-
 -   `vnc_port_min` and `vnc_port_max` (number) - The minimum and maximum port
     to use for VNC access to the virtual machine. The builder uses VNC to type
     the initial `boot_command`. Because Packer generally runs in parallel,

website/source/partials/builders/_building_on_remote_vsphere_hypervisor.html.md

@@ -62,6 +62,3 @@ the required `remote_*` configurations:
     currently only works when option remote_type is set to "esx5".
     Since ovftool is only capable of password based authentication
     `remote_password` must be set when exporting the VM.
-
--   `vnc_disable_password` (boolean) - This must be set to "true" when using VNC with
-    ESXi 6.5 or 6.7.