[clang-tidy] Use explicit default for constructor

See https://chromium.googlesource.com/chromium/src/+/HEAD/styleguide/c++/c++-dos-and-donts.md#prefer-to-use.

Bug: v8:10488
Change-Id: Ief62795bbce5f1e531c3f9c245e3c0294d698cbc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2183272Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67622}

src/utils/pointer-with-payload.h

@@ -46,7 +46,7 @@ class PointerWithPayload {
   static constexpr uintptr_t kPointerMask = ~kPayloadMask;
 
  public:
-  PointerWithPayload() {}
+  PointerWithPayload() = default;
 
   explicit PointerWithPayload(PointerType* pointer)
       : pointer_(reinterpret_cast<uintptr_t>(pointer)) {