reduce noisy systrace sections (#46185)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/46185

changelog: [internal]

this is not needed anymore. let's remove it.

Reviewed By: dmytrorykun

Differential Revision: D61717151

fbshipit-source-id: 46f616e8170e653f0203c16ec76cfcfa948be153

packages/react-native/ReactCommon/react/renderer/core/ConcreteComponentDescriptor.h

@@ -10,7 +10,6 @@
 #include <memory>
 #include <vector>
 
-#include <cxxreact/SystraceSection.h>
 #include <react/debug/react_native_assert.h>
 #include <react/renderer/core/ComponentDescriptor.h>
 #include <react/renderer/core/EventDispatcher.h>
@@ -67,7 +66,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
   std::shared_ptr<ShadowNode> createShadowNode(
       const ShadowNodeFragment& fragment,
       const ShadowNodeFamily::Shared& family) const override {
-    SystraceSection s("ConcreteComponentDescriptor::createShadowNode");
     auto shadowNode =
         std::make_shared<ShadowNodeT>(fragment, family, getTraits());
 
@@ -99,7 +97,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
       const PropsParserContext& context,
       const Props::Shared& props,
       RawProps rawProps) const override {
-    SystraceSection s1("ConcreteComponentDescriptor::cloneProps");
     // Optimization:
     // Quite often nodes are constructed with default/empty props: the base
     // `props` object is `null` (there no base because it's not cloning) and the
@@ -125,8 +122,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
 #else
       const auto& dynamic = static_cast<folly::dynamic>(rawProps);
 #endif
-      SystraceSection s2(
-          "ConcreteComponentDescriptor::cloneProps - iterateOverValues");
       for (const auto& pair : dynamic.items()) {
         const auto& name = pair.first.getString();
         shadowNodeProps->setProp(
@@ -137,8 +132,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
       }
       return shadowNodeProps;
     } else {
-      SystraceSection s3(
-          "ConcreteComponentDescriptor::cloneProps - old-style constructor");
       // Call old-style constructor
       return ShadowNodeT::Props(context, rawProps, props);
     }

packages/react-native/ReactCommon/react/renderer/core/RawProps.cpp

@@ -162,7 +162,6 @@ RawProps& RawProps::operator=(const RawProps& other) noexcept {
 }
 
 void RawProps::parse(const RawPropsParser& parser) noexcept {
-  SystraceSection s("RawProps::parse");
   react_native_assert(parser_ == nullptr && "A parser was already assigned.");
   parser_ = &parser;
   parser.preparse(*this);
@@ -174,7 +173,6 @@ void RawProps::parse(const RawPropsParser& parser) noexcept {
  * will be removed as soon Android implementation does not need it.
  */
 RawProps::operator folly::dynamic() const noexcept {
-  SystraceSection s("RawProps::operator folly::dynamic()");
   switch (mode_) {
     case Mode::Empty:
       return folly::dynamic::object();