Remove CPDF_Object::Release() in favor of direct delete

core/fpdfdoc/cpdf_filespec_unittest.cpp

Index: core/fpdfdoc/cpdf_filespec_unittest.cpp
diff --git a/core/fpdfdoc/cpdf_filespec_unittest.cpp b/core/fpdfdoc/cpdf_filespec_unittest.cpp
index 3daba53aba33a354206ef6022822c15f55dfd528..17bc7ec7bafd00087c5675e3cdfb5914c0ab66af 100644
--- a/core/fpdfdoc/cpdf_filespec_unittest.cpp
+++ b/core/fpdfdoc/cpdf_filespec_unittest.cpp
@@ -14,9 +14,8 @@
 
 namespace {
 
-using ScopedObj = std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>>;
-using ScopedDict =
-    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>>;
+using ScopedObj = std::unique_ptr<CPDF_Object>;
+using ScopedDict = std::unique_ptr<CPDF_Dictionary>;
 }
 
 TEST(cpdf_filespec, EncodeDecodeFileName) {