Remove //cobalt dependency from Starboard (#4084)

This is no longer necessary

b/364421874

cobalt/renderer/BUILD.gn

@@ -66,9 +66,7 @@ static_library("renderer") {
     "//starboard/content/fonts:copy_font_data",
   ]
 
-  if (is_starboard) {
-    deps += [ default_renderer_options_dependency ]
-  }
+  deps += [ "//cobalt/renderer:default_options" ]
 
   if (!is_gold) {
     deps += [ "//cobalt/debug:console_command_manager" ]

cobalt/site/docs/reference/starboard/gn-configuration.md

@@ -9,7 +9,6 @@ Book: /youtube/cobalt/_book.yaml
 | **`cobalt_licenses_platform`**<br><br> Sub-directory to copy license file to.<br><br>The default value is `"default"`. |
 | **`cobalt_platform_dependencies`**<br><br> List of platform-specific targets that get compiled into cobalt.<br><br>The default value is `[]`. |
 | **`cobalt_v8_emit_builtins_as_inline_asm`**<br><br> Some compiler can not compile with raw assembly(.S files) and v8 converts asm to inline assembly for these platforms.<br><br>The default value is `false`. |
-| **`default_renderer_options_dependency`**<br><br> Override this value to adjust the default rasterizer setting for your platform.<br><br>The default value is `"//cobalt/renderer:default_options"`. |
 | **`enable_in_app_dial`**<br><br> Enables or disables the DIAL server that runs inside Cobalt. Note: Only enable if there's no system-wide DIAL support.<br><br>The default value is `false`. |
 | **`executable_configs`**<br><br> Target-specific configurations for executable targets.<br><br>The default value is `[]`. |
 | **`final_executable_type`**<br><br> The target type for executable targets. Allows changing the target type on platforms where the native code may require an additional packaging step (ex. Android).<br><br>The default value is `"executable"`. |

starboard/build/config/base_configuration.gni

@@ -121,10 +121,6 @@ declare_args() {
   # Note: Only enable if there's no system-wide DIAL support.
   enable_in_app_dial = false
 
-  # Override this value to adjust the default rasterizer setting for your
-  # platform.
-  default_renderer_options_dependency = "//cobalt/renderer:default_options"
-
   # A symbolizer path for ASAN can be added to allow translation of callstacks.
   asan_symbolizer_path = "$clang_base_path/bin/llvm-symbolizer"