Remove creation of root directory folders

Folders in the root directory are now created during the build,
as we may be building without a ramdisk, and when we do that,
the root directory will be read-only.  With those changes,
these mkdirs will never need to run.

Change-Id: I49c63e8bfc71d28e3f938ed41f81d108359fa57a
1 file changed