Revert "Add vkCmd* device extension functions"

Revert "Add vkCmd* device extension functions"

Revert submission 2064289-vkcmd

Reason for revert: Breaks Chromium-Fuchsia integration: crbug.com/1318543

Reverted Changes:
I838311ac2:Add vkCmd* device extension functions
Idb329b86e:Add functions to fetch device from commandbuffer
I43030bb15:Add vkCmd* device extension functions

Change-Id: I7e3544a8f8e652ad303c3e333696cbef3a835522
1 file changed