Revert "Add OWNERS to include (and include/private) to enforce API review"

This reverts commit be0e255c3e.

Reason for revert: Android autoroller can't create CLs

Original change's description:
> Add OWNERS to include (and include/private) to enforce API review
>
> Change-Id: I3ae83fbdcb4b3b13150df8b6a6461c36cbeaa55e
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/445641
> Reviewed-by: Ravi Mistry <rmistry@google.com>
> Reviewed-by: Kevin Lubick <kjlubick@google.com>
> Commit-Queue: Brian Osman <brianosman@google.com>

Change-Id: I368fa6293674d65b45f19c60dd6d47eaf33962b9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/446157
Auto-Submit: Brian Osman <brianosman@google.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>

include/OWNERS

@@ -1,11 +0,0 @@
-set noparent
-
-# Include one of the following reviewers for CLs that add or change Skia's public API:
-brianosman@google.com
-bsalomon@google.com
-djsollen@google.com
-hcm@google.com
-reed@google.com
-
-# Android rolls are merges, so give the roller account OWNERS as well:
-android-autoroll@skia-corp.google.com.iam.gserviceaccount.com

include/private/OWNERS

@@ -1,4 +0,0 @@
-# include/ has a restricted set of reviewers (to limit changes to public API)
-# Files in this directory follow the same rules as the rest of Skia, though:
-
-file:../../OWNERS

include/third_party/skcms/OWNERS

@@ -1,2 +0,0 @@
-# The auto-roller directly checks in skcms, so give it ownership as well:
-skia-autoroll@skia-public.iam.gserviceaccount.com