Revert of [heap] Initialize the owner on each page after lospace allocation

src/heap/spaces-inl.h

Index: src/heap/spaces-inl.h
diff --git a/src/heap/spaces-inl.h b/src/heap/spaces-inl.h
index 472b8a384274a93d1cfd9f9d05c97e930c4f0dfe..685611e8151527a150a952be9ce47d28b64c0167 100644
--- a/src/heap/spaces-inl.h
+++ b/src/heap/spaces-inl.h
@@ -590,14 +590,6 @@
     FATAL("Code page is too large.");
   }
   heap->incremental_marking()->SetOldSpacePageFlags(chunk);
-
-  // Initialize the owner field for each contained page (except the first, which
-  // is initialized by MemoryChunk::Initialize).
-  for (size_t i = Page::kPageSize; i < chunk->size(); i += Page::kPageSize) {
-    // Clear out kPageHeaderTag.
-    Memory::Address_at(chunk->address() + i + Page::kOwnerOffset) = 0;
-  }
-
   return static_cast<LargePage*>(chunk);
 }