Remove SkInPlaceNewCheck and its delete counterpart.
Remove SkInPlaceNewCheck and its delete counterpart.

These were not used anywhere.

Change-Id: I3269f8a35c532efd1e06055fdbcd3a23de9d0873
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/583317
Auto-Submit: John Stiles <f4fcf42d3bb5924557f1eeb3be66747535e585da@google.com>
Reviewed-by: Jim Van Verth <509afb0bfbb23ecaaf1fb3323209f531b45e75a6@google.com>
Commit-Queue: John Stiles <f4fcf42d3bb5924557f1eeb3be66747535e585da@google.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia