node-api: remove deprecated attribute from napi_module_register

PR-URL: #56162
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Gabriel Schulhof <gabrielschulhof@gmail.com>

Author: vmoroz

src/node_api.h

@@ -90,9 +90,6 @@ EXTERN_C_START
 
 // Deprecated. Replaced by symbol-based registration defined by NAPI_MODULE
 // and NAPI_MODULE_INIT macros.
-#if defined(__cplusplus) && __cplusplus >= 201402L
-[[deprecated]]
-#endif
 NAPI_EXTERN void NAPI_CDECL
 napi_module_register(napi_module* mod);