Revert of exo: Add drm support to motion_events.

components/exo/wayland/BUILD.gn

Index: components/exo/wayland/BUILD.gn
diff --git a/components/exo/wayland/BUILD.gn b/components/exo/wayland/BUILD.gn
index 0b4085d5aa70d6d0550eddaf1512dc17263166d5..120f6a1aa68c8b77f0c087dc0e733e342359149d 100644
--- a/components/exo/wayland/BUILD.gn
+++ b/components/exo/wayland/BUILD.gn
@@ -4,7 +4,6 @@
 
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
-import("//ui/ozone/ozone.gni")
 
 if (use_xkbcommon) {
   pkg_config("xkbcommon") {
@@ -91,18 +90,5 @@
     "//base",
     "//skia",
     "//third_party/wayland:wayland_client",
-    "//third_party/wayland-protocols:linux_dmabuf_protocol",
-    "//ui/gfx/geometry",
-    "//ui/gl",
-    "//ui/gl/init",
   ]
-
-  if (ozone_platform_gbm) {
-    configs += [
-      ":libdrm",
-      "//ui/gl:gl_config",
-    ]
-    defines = [ "OZONE_PLATFORM_GBM" ]
-    deps += [ "//third_party/minigbm" ]
-  }
 }