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

core/fpdfapi/page/cpdf_contentmark.cpp

Index: core/fpdfapi/page/cpdf_contentmark.cpp
diff --git a/core/fpdfapi/page/cpdf_contentmark.cpp b/core/fpdfapi/page/cpdf_contentmark.cpp
index d60e144d6e4e74ac48e80855c8537cc1f61d2e5d..a867409335e4bf3e58b76f109194c28395b3e094 100644
--- a/core/fpdfapi/page/cpdf_contentmark.cpp
+++ b/core/fpdfapi/page/cpdf_contentmark.cpp
@@ -110,8 +110,7 @@ void CPDF_ContentMark::MarkData::AddMark(const CFX_ByteString& name,
   if (pDict) {
     if (bDirect) {
       item.SetDirectDict(
-          std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>>(
-              ToDictionary(pDict->Clone())));
+          std::unique_ptr<CPDF_Dictionary>(ToDictionary(pDict->Clone())));
     } else {
       item.SetPropertiesDict(pDict);
     }