Revert "Cache text blobs computed by TextLine::paintText"

This reverts commit ff7bfea4ab76658da6b3f0e5f682d4bf451189f2.

Reason for revert: several broken bots, e.g.

../SRC/skia/modules/skparagraph/src/TextLine.cpp:309:21: error: non-const lvalue reference to type 'skia::textlayout::TextLine::TextBlobRecord' cannot bind to a temporary of type 'void'
    TextBlobRecord& record = fTextBlobCache.emplace_back();
                    ^        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Original change's description:
> Cache text blobs computed by TextLine::paintText
>
> Change-Id: I7d4414fb64b14a714623e4c20199cab06e6ed18c
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/342297
> Commit-Queue: Jason Simmons <jsimmons@google.com>
> Reviewed-by: Julia Lavrova <jlavrova@google.com>

TBR=jsimmons@google.com,jlavrova@google.com

Change-Id: I467c61eead7b0d8c190cb2f883b05537de97a08e
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/342856
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2 files changed