Do not ship bundled zlib headers. Electron uses the system zlib, and anyone compiling against it should also.
--- src/electron/BUILD.gn.orig 2025-04-11 12:02:41.207130337 +0200
+++ src/electron/BUILD.gn 2025-04-11 20:58:52.999468971 +0200
@@ -1569,7 +1569,6 @@ group("copy_node_headers") {
":generate_node_headers",
":node_gypi_headers",
":node_version_header",
- ":zlib_headers",
]
}