Use output_all_resource_defines=false in most grd files.

ui/strings/ui_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. Specifically, these are UI strings that are used by app/ that
 need to be translated for each locale.-->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
-      source_lang_id="en" enc_check="möl">
+      output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
     <!-- TODO add each of your output files.  Modify the three below, and add
     your own for your various languages.  See the user's guide
     (https://www.chromium.org/developers/tools-we-use-in-chromium/grit/grit-users-guide)
     for more details.
     Note that all output references are relative to the output directory
     which is specified at build time. -->
     <output filename="grit/ui_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
     </output>
@@ skipping 604 matching lines @@
       </message>
       <message name="IDS_APP_LIST_SPEECH_HINT_TEXT" desc="The text label in the speech recognition UI to ask the user to speak the search query">
         Speak now
       </message>
       <message name="IDS_APP_LIST_SPEECH_NETWORK_ERROR_HINT_TEXT" desc="The text label in the speech recognition UI to show the speech recognition can't start because of network error.">
         No internet connection
       </message>
     </messages>
   </release>
 </grit>