Remove "requires_gpu" tag from gfxstream+swangle tests #499

Job	Run time
build-installer-iso-job	2m 3s
test-iso-multidisk-qemu-disk5-with-data-job	1h 43m 21s
test-iso-multidisk-qemu-disk2-with-data-job	1h 43m 7s
test-iso-qemu-job	1h 36m 15s
test-iso-multidisk-qemu-empty-disk-job	1h 41m 39s
test-iso-cf-qemu-job	1h 35m 5s
test-iso-cf-container-qemu-job	1h 44m 45s
	10h 6m 15s

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