Matthias Clasen 8628c573b5 Drop rtl variants of media-playback-start ...

According to #2469, they are unwanted.

2020-02-24 20:49:10 -05:00

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16x16

Drop rtl variants of media-playback-start

2020-02-24 20:49:10 -05:00

32x32

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scalable

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