zink: get rid of needless dependency

We haven't needed this header since 7f56fd9655 ("zink: it's kopperin'
time"), so let's get rid of it and the dependency that comes with it.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21441>

src/gallium/drivers/zink/meson.build

@@ -98,7 +98,7 @@ libzink = static_library(
   link_args : [ld_args_build_id],
   dependencies: [
     idep_nir_headers, idep_mesautil, idep_vulkan_util_headers,
-    idep_vulkan_wsi_headers, idep_vulkan_util, dep_libdrm
+    idep_vulkan_util, dep_libdrm
   ],
   c_args: [zink_c_args, vk_wsi_args],
 )

src/gallium/drivers/zink/zink_batch.c

@@ -12,7 +12,6 @@
 #ifdef VK_USE_PLATFORM_METAL_EXT
 #include "QuartzCore/CAMetalLayer.h"
 #endif
-#include "wsi_common.h"
 
 #define MAX_VIEW_COUNT 500
 

src/gallium/drivers/zink/zink_resource.c

@@ -34,7 +34,6 @@
 #ifdef VK_USE_PLATFORM_METAL_EXT
 #include "QuartzCore/CAMetalLayer.h"
 #endif
-#include "vulkan/wsi/wsi_common.h"
 
 #include "vk_format.h"
 #include "util/u_blitter.h"