Commenting out unfinished docs

mkdocs.yml

@@ -7,12 +7,12 @@ google_analytics: ['UA-68807-15', 'netboot.xyz']
 pages:
 - Home: 'index.md'
 - Boot from...:
-    - 'Extlinux/Grub': 'boot_loaders.md'
+#    - 'Extlinux/Grub': 'boot_loaders.md'
     - 'iPXE': 'boot_ipxe.md'
     - 'ISO': 'boot_iso.md'
     - 'USB': 'boot_usb.md'
-    - 'Virtual Box': 'boot_vbox.md'
-    - 'VMware': 'boot_vmware.md'
+#    - 'Virtual Box': 'boot_vbox.md'
+#    - 'VMware': 'boot_vmware.md'
 - Provider Usage:
     - 'Digital Ocean': 'usage_digitalocean.md'
     - 'Rackspace': 'usage_rackspace.md'