src: remove unconditional NAPI_EXPERIMENTAL in node.h

Author: legendecas

node.gyp

@@ -890,6 +890,9 @@
         'NODE_ARCH="<(target_arch)"',
         'NODE_PLATFORM="<(OS)"',
         'NODE_WANT_INTERNALS=1',
+        # Define NAPI_EXPERIMENTAL to enable Node-API experimental function symbols being exposed.
+        'NAPI_EXPERIMENTAL=1',
+        'NODE_API_EXPERIMENTAL_NO_WARNING=1',
         # Warn when using deprecated V8 APIs.
         'V8_DEPRECATION_WARNINGS=1',
         'NODE_OPENSSL_SYSTEM_CERT_PATH="<(openssl_system_ca_path)"',

src/node.h

@@ -76,7 +76,6 @@
 #include "v8-platform.h"  // NOLINT(build/include_order)
 #include "node_version.h"  // NODE_MODULE_VERSION
 
-#define NAPI_EXPERIMENTAL
 #include "node_api.h"
 
 #include <functional>