Remove SK_USE_LEGACY_VK_ALLOCATOR_USAGE_NAMES code.

Bug: skia:11207
Change-Id: I7e6f7bc93bac6d36c61c2e6500a2c5e0f7556bcb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/369477
Auto-Submit: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
3 files changed