fix(react-native-host): remove unused header (#3413)

.changeset/real-cycles-wash.md

@@ -0,0 +1,5 @@
+---
+"@rnx-kit/react-native-host": patch
+---
+
+Remove unused header (and maybe fix building with statically linked frameworks)

packages/react-native-host/cocoa/RNXTurboModuleAdapter.mm

@@ -1,10 +1,6 @@
 #import "RNXTurboModuleAdapter.h"
 
 #include "FollyConfig.h"
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wcomma"
-#import <cxxreact/JSExecutor.h>
-#pragma clang diagnostic pop
 
 #if USE_FABRIC
 #import <React/CoreModulesPlugins.h>

packages/react-native-host/cocoa/ReactNativeHost.mm

@@ -1,10 +1,6 @@
 #import "ReactNativeHost.h"
 
 #include "FollyConfig.h"
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wcomma"
-#import <cxxreact/JSExecutor.h>
-#pragma clang diagnostic pop
 
 #import <React/RCTBridge.h>
 #import <React/RCTBundleURLProvider.h>