Remove mention of returning data URLs from sync API (#330) #596

Job	Run time
build (20.x)	6s
test (node, 18.x)	26s
test (node, 20.x)	22s
test (node, 22.x)	26s
integration-deno (deno, v1.x)	7s
integration-edge (cloudflare-worker, 20.x)	15s
integration-browser (browser, chromium, 20.x)	34s
integration-bun (bun, 1.0.11)	5s
integration-browser (browser, firefox, 20.x)	39s
integration-nextjs (nextjs, 20.x)	26s
integration-browser (browser, webkit, 20.x)	43s
integration-node (commonjs, 18.x)	14s
integration-node (commonjs, 20.x)	11s
integration-node (esm, 18.x)	12s
integration-node (esm, 20.x)	10s
integration-node (typescript, 18.x)	9s
integration-node (typescript, 20.x)	14s
	5m 19s

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