Drop support for uploading hardware info with speech recognition requests

extensions/shell/browser/shell_speech_recognition_manager_delegate.cc

Index: extensions/shell/browser/shell_speech_recognition_manager_delegate.cc
diff --git a/extensions/shell/browser/shell_speech_recognition_manager_delegate.cc b/extensions/shell/browser/shell_speech_recognition_manager_delegate.cc
index c4ce068cce72f01edf60468a857130b26894e8ad..25d1b871faa45999b472ac0a849c125f51bf66a0 100644
--- a/extensions/shell/browser/shell_speech_recognition_manager_delegate.cc
+++ b/extensions/shell/browser/shell_speech_recognition_manager_delegate.cc
@@ -64,11 +64,6 @@ void ShellSpeechRecognitionManagerDelegate::OnAudioLevelsChange(
     float noise_volume) {
 }
 
-void ShellSpeechRecognitionManagerDelegate::GetDiagnosticInformation(
-    bool* can_report_metrics,
-    std::string* hardware_info) {
-}
-
 void ShellSpeechRecognitionManagerDelegate::CheckRecognitionIsAllowed(
     int session_id,
     base::Callback<void(bool ask_user, bool is_allowed)> callback) {