Revert of [heap] Parallel newspace evacuation, semispace copy, and compaction \o/

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index efbde1622a6d6ae0122ec3488477989beeae62c8..c6a5444d8ac94fa2d29cefa2a5350b6033a27f51 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1043,14 +1043,6 @@
   DCHECK(IsValidFunctionKind(kind));
   return kind;
 }
-
-inline uint32_t ObjectHash(Address address) {
-  // All objects are at least pointer aligned, so we can remove the trailing
-  // zeros.
-  return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >>
-                               kPointerSizeLog2);
-}
-
 }  // namespace internal
 }  // namespace v8