Jeremy Elbourn ec6e7303dd perf: pngcrush all pngs (#28479) ...

This is the result of running
```sh
find ./ -iname "*.png" -exec pngcrush -brute -ow --  {} \;
```

[Summary of size reductions](https://docs.google.com/spreadsheets/d/12Qgx7DfKabWw0PJza6ozC1kCHTofi6wyBLWGtwLW7G4/preview)

Last done in July, 2017 in #18243

PR Close #28479

2019-02-01 13:56:02 -05:00

2.4 KiB

186x200px

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