Revert "Vulkan: Implement debug markers" This reverts commit 983e446921946734fe47217c345a8fe2f079319d. Reason for revert: Depends on a CL that's reverted: https://chromium-review.googlesource.com/c/angle/angle/+/1470605 Original change's description: > Vulkan: Implement debug markers > > Covers both GL_KHR_debug and GL_EXT_debug_marker. > > Debug markers are used to specify events or hierarchically categorize a > set of commands within the command buffer. When debugging, this allows > for quicker navigation to the draw calls of interest, and otherwise > provides context to debug output. > > Bug: angleproject:2853 > Change-Id: Id65e11fc877d9e70b6fd0fae7f0bbbcb1164bf10 > Reviewed-on: https://chromium-review.googlesource.com/c/1403956 > Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> > Reviewed-by: Jamie Madill <jmadill@chromium.org> > Reviewed-by: Geoff Lang <geofflang@chromium.org> TBR=geofflang@chromium.org,jmadill@chromium.org,syoussefi@chromium.org Change-Id: I7fcfc8683195d396aec61848719f52c0fa049ece No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: angleproject:2853 Reviewed-on: https://chromium-review.googlesource.com/c/1470606 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>