Revert "skia: add heif decoding support"

This reverts commit c2a954290dc3888f877a047098b84c24363895fb.

Reason for revert: both Android and Google3 rolls cannot compile.  Android cannot cast std::unique_ptr<T> to T*, Google3 cannot find HeifDecoderAPI.h.

Original change's description:
> skia: add heif decoding support
> 
> Bug: b/64077740
> Change-Id: I11e0243bcc4c21c0aa5aa29a719dd0fcba7ae6f7
> Reviewed-on: https://skia-review.googlesource.com/35123
> Reviewed-by: Chong Zhang <chz@google.com>
> Reviewed-by: Leon Scroggins <scroggo@google.com>
> Commit-Queue: Chong Zhang <chz@google.com>
> Commit-Queue: Leon Scroggins <scroggo@google.com>

TBR=scroggo@google.com,chz@google.com

Change-Id: Id98f025e63daec50408186000453d1695170f7a8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: b/64077740
Reviewed-on: https://skia-review.googlesource.com/35741
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
11 files changed