remove more format code
In d01f462c, the top-level format conversion code was ripped out of virglrenderer.
This MR takes this a step further, and removes the rest of the format conversion-code.
Edited by Erik Faye-Lund
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In d01f462c, the top-level format conversion code was ripped out of virglrenderer.
This MR takes this a step further, and removes the rest of the format conversion-code.