xpra: drop duplicate depend (broke cross)
xpra: drop duplicate depend (broke cross)

Re-introduced with commit 968256715ddd659686b74a2f1644f8985fd75f1c.

necrophcodr/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages