Remove nvprdit* configs

Having removed the NVPR text renderer, the nvprdit* configs are no longer interesting/useful.

Change-Id: Ic4b9d6507d3e3595723a27636cb58b5e811fb3a3
Reviewed-on: https://skia-review.googlesource.com/105563
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
12 files changed