Revert of Fix backwards WebRTC-in-Chromium override and expose Chromium logging setup

third_party/webrtc_overrides/webrtc/base/logging.h

Index: third_party/webrtc_overrides/webrtc/base/logging.h
diff --git a/third_party/webrtc_overrides/webrtc/base/logging.h b/third_party/webrtc_overrides/webrtc/base/logging.h
index 67893926d5a71f7af25381cdc2f77dcdf29c8014..e9ca47e03269f6384586394fcc71f68fd76636ce 100644
--- a/third_party/webrtc_overrides/webrtc/base/logging.h
+++ b/third_party/webrtc_overrides/webrtc/base/logging.h
@@ -25,15 +25,6 @@
 #define THIRD_PARTY_WEBRTC_OVERRIDES_WEBRTC_BASE_LOGGING_H_
 
 #include "third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h"
-
-// If WebRTC code is built inside Chromium but run standalone,
-// Chromium logging will be used but not initialised. This is usually
-// OK, but in certain cases we do want that initialisation, so we
-// expose it here. For example, you must call this if you want to
-// decrease the log level below -1, as done by the libfuzzer fuzzers.
-namespace rtc {
-  void InitChromiumLoggingAndCommandLine();
-}
 
 //////////////////////////////////////////////////////////////////////
 // WebRTC macros which in DiagnosticLogMessage are mapped over to