exo: Remove support for scaler interface from wayland bindings.

third_party/wayland-protocols/BUILD.gn

Index: third_party/wayland-protocols/BUILD.gn
diff --git a/third_party/wayland-protocols/BUILD.gn b/third_party/wayland-protocols/BUILD.gn
index cf8f4cb8221429ab1e625196103f662e671837c6..b19f7c71019af0da66768fe0648902c9f235744e 100644
--- a/third_party/wayland-protocols/BUILD.gn
+++ b/third_party/wayland-protocols/BUILD.gn
@@ -65,27 +65,6 @@ source_set("viewporter_protocol") {
   public_configs = [ ":viewporter_protocol_config" ]
 }
 
-config("scaler_protocol_config") {
-  include_dirs = [ "include/protocol" ]
-}
-
-source_set("scaler_protocol") {
-  sources = [
-    "include/protocol/scaler-client-protocol.h",
-    "include/protocol/scaler-server-protocol.h",
-    "protocol/scaler-protocol.c",
-  ]
-
-  deps = [
-    "//third_party/wayland:wayland_util",
-  ]
-
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-
-  public_configs = [ ":scaler_protocol_config" ]
-}
-
 config("secure_output_protocol_config") {
   include_dirs = [ "include/protocol" ]
 }