radv: remove all entrypoint enabled debug option

This was useful back at the dawn of time when apps weren't as
well developed and layers mostly sucked. I don't think it's been
used in a quite a while so remove it, as the new dispatch
layer doesn't support it.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8676>

src/amd/vulkan/radv_debug.h

@@ -51,7 +51,7 @@ enum {
 	RADV_DEBUG_NOTHREADLLVM      = 1u << 20,
 	RADV_DEBUG_NOBINNING         = 1u << 21,
 	RADV_DEBUG_NO_NGG            = 1u << 22,
-	RADV_DEBUG_ALL_ENTRYPOINTS   = 1u << 23,
+        /* spare 1u << 23 */
 	RADV_DEBUG_DUMP_META_SHADERS = 1u << 24,
 	RADV_DEBUG_NO_MEMORY_CACHE   = 1u << 25,
 	RADV_DEBUG_DISCARD_TO_DEMOTE = 1u << 26,