heap/api: Use regular enum to simplify embedder code

Change-Id: I1b386a11d4a9d1319ac18efd53108aea851f8897
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594561
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61207}

include/v8.h

@@ -7171,7 +7171,7 @@ enum class MemoryPressureLevel { kNone, kModerate, kCritical };
  */
 class V8_EXPORT EmbedderHeapTracer {
  public:
-  enum class TraceFlags : uint64_t {
+  enum TraceFlags : uint64_t {
     kNoFlags = 0,
     kReduceMemory = 1 << 0,
   };
@@ -7289,18 +7289,6 @@ class V8_EXPORT EmbedderHeapTracer {
   friend class internal::LocalEmbedderHeapTracer;
 };
 
-constexpr EmbedderHeapTracer::TraceFlags operator&(
-    EmbedderHeapTracer::TraceFlags lhs, EmbedderHeapTracer::TraceFlags rhs) {
-  return static_cast<EmbedderHeapTracer::TraceFlags>(
-      static_cast<uint64_t>(lhs) & static_cast<uint64_t>(rhs));
-}
-
-constexpr EmbedderHeapTracer::TraceFlags operator|(
-    EmbedderHeapTracer::TraceFlags lhs, EmbedderHeapTracer::TraceFlags rhs) {
-  return static_cast<EmbedderHeapTracer::TraceFlags>(
-      static_cast<uint64_t>(lhs) | static_cast<uint64_t>(rhs));
-}
-
 /**
  * Callback and supporting data used in SnapshotCreator to implement embedder
  * logic to serialize internal fields.