Remove unreferenced RCTDefaultCxxLogFunction

Summary:
Nothing has accessed this in a while.

Changelog: [General][Removed] Removed RCTDefaultCxxLogFunction

Differential Revision: D107636249

Author: javache

packages/react-native/React/CxxLogUtils/RCTDefaultCxxLogFunction.h

@@ -3879,7 +3879,6 @@ uint8_t facebook::react::blueFromColor(facebook::react::SharedColor color) noexc
 uint8_t facebook::react::greenFromColor(facebook::react::SharedColor color) noexcept;
 uint8_t facebook::react::redFromColor(facebook::react::SharedColor color) noexcept;
 void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(std::shared_ptr<const facebook::react::ComponentDescriptorProviderRegistry> registry);
-void facebook::react::RCTDefaultCxxLogFunction(ReactNativeLogLevel level, const char* message);
 void facebook::react::bindHasComponentProvider(facebook::jsi::Runtime& runtime, facebook::react::HasComponentProviderFunctionType&& provider);
 void facebook::react::bindNativeLogger(facebook::jsi::Runtime& runtime, facebook::react::Logger logger);
 void facebook::react::bindNativePerformanceNow(facebook::jsi::Runtime& runtime);

packages/react-native/React/CxxLogUtils/RCTDefaultCxxLogFunction.mm

@@ -3864,7 +3864,6 @@ uint8_t facebook::react::blueFromColor(facebook::react::SharedColor color) noexc
 uint8_t facebook::react::greenFromColor(facebook::react::SharedColor color) noexcept;
 uint8_t facebook::react::redFromColor(facebook::react::SharedColor color) noexcept;
 void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(std::shared_ptr<const facebook::react::ComponentDescriptorProviderRegistry> registry);
-void facebook::react::RCTDefaultCxxLogFunction(ReactNativeLogLevel level, const char* message);
 void facebook::react::bindHasComponentProvider(facebook::jsi::Runtime& runtime, facebook::react::HasComponentProviderFunctionType&& provider);
 void facebook::react::bindNativeLogger(facebook::jsi::Runtime& runtime, facebook::react::Logger logger);
 void facebook::react::bindNativePerformanceNow(facebook::jsi::Runtime& runtime);

scripts/cxx-api/api-snapshots/ReactAppleDebugCxx.api

@@ -3879,7 +3879,6 @@ uint8_t facebook::react::blueFromColor(facebook::react::SharedColor color) noexc
 uint8_t facebook::react::greenFromColor(facebook::react::SharedColor color) noexcept;
 uint8_t facebook::react::redFromColor(facebook::react::SharedColor color) noexcept;
 void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(std::shared_ptr<const facebook::react::ComponentDescriptorProviderRegistry> registry);
-void facebook::react::RCTDefaultCxxLogFunction(ReactNativeLogLevel level, const char* message);
 void facebook::react::bindHasComponentProvider(facebook::jsi::Runtime& runtime, facebook::react::HasComponentProviderFunctionType&& provider);
 void facebook::react::bindNativeLogger(facebook::jsi::Runtime& runtime, facebook::react::Logger logger);
 void facebook::react::bindNativePerformanceNow(facebook::jsi::Runtime& runtime);