Revert "SkPDF: Non-outline glyphs as images"

This reverts commit 3cf6b79e50f148cae7ed8c6ec0cd79f1ede71c95.

Reason for revert: breaking build

../../../../../work/skia/src/pdf/SkPDFDevice.cpp: In member function 'void SkPDFDevice::internalDrawText(const void*, size_t, const SkScalar*, SkTextBlob::GlyphPositioning, SkPoint, const SkPaint&, const uint32_t*, uint32_t, const char*)':
../../../../../work/skia/src/pdf/SkPDFDevice.cpp:1578:31: error: missing initializer for member 'SkPoint::fX' [-Werror=missing-field-initializers]
                 SkPoint xy = {};
                               ^

Original change's description:
> SkPDF: Non-outline glyphs as images
> 
>     - Cache images in PDF Canon for de-duping
>     - For now, rasterize at text scale.  in the future, look at CTM and
>       fRasterScale.
>     - add a test that works on MacOS
> 
> BUG=chromium:705480
> BUG=skia:3489
> Change-Id: I4fbc42f218e5b81ea15ea6cdccc61c91e532f6d0
> Reviewed-on: https://skia-review.googlesource.com/24080
> Commit-Queue: Hal Canary <halcanary@google.com>
> Reviewed-by: Ben Wagner <bungeman@google.com>

TBR=halcanary@google.com,bungeman@google.com

Change-Id: I3d8800fcb33817c6065da0860a534eb14350d132
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:705480, skia:3489
Reviewed-on: https://skia-review.googlesource.com/24160
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2 files changed