Update tests/fuzzer/fuzz_gltf_customjson.cc

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

tests/fuzzer/fuzz_gltf_customjson.cc

diff --git a/tests/fuzzer/fuzz_gltf_customjson.cc b/tests/fuzzer/fuzz_gltf_customjson.cc
index 8f8da75..919839b 100644
--- a/tests/fuzzer/fuzz_gltf_customjson.cc
+++ b/tests/fuzzer/fuzz_gltf_customjson.cc
@@ -18,9 +18,6 @@
 
 #include <cstdint>
 #include <cstring>
-#include <memory>
-#include <vector>
-#include <iostream>
 
 #define STB_IMAGE_IMPLEMENTATION
 #define STB_IMAGE_WRITE_IMPLEMENTATION