Remove the enable_basic_printing and enable_print_preview gn args.

build/secondary/tools/grit/grit_rule.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Instantiate grit. This will produce a script target to run grit, and a
 # static library that compiles the .cc files.
 #
 # Parameters
 #
 #   source (required)
@@ skipping 167 matching lines @@
   grit_defines += [
     "-t",
     "ios",
 
     # iOS uses a whitelist to filter resources.
     "-w",
     rebase_path("//build/ios/grit_whitelist.txt", root_build_dir),
   ]
 }
 
-if (enable_basic_printing || enable_print_preview) {
-  grit_defines += [
-    "-D",
-    "enable_printing",
-  ]
-  if (enable_print_preview) {
-    grit_defines += [
-      "-D",
-      "enable_print_preview",
-    ]
-  }
-}
-
 grit_resource_id_file = "//tools/gritsettings/resource_ids"
 grit_info_script = "//tools/grit/grit_info.py"
 
 template("grit") {
   assert(defined(invoker.source),
          "\"source\" must be defined for the grit template $target_name")
 
   grit_inputs = [ invoker.source ]
 
   if (defined(invoker.resource_ids)) {
@@ skipping 153 matching lines @@
     if (defined(invoker.configs)) {
       configs += invoker.configs
     }
 
     if (defined(invoker.visibility)) {
       visibility = invoker.visibility
     }
     output_name = grit_output_name
   }
 }