[profiler] Remove invalid DCHECK

The same Code object can and does deopt multiple times when called
recursively and thus present on the stack in >1 activations.

Fixed: v8:12458
Change-Id: Ib34d6bae4aa0ea2e31731c5a6e8e85a878362621
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3314824
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78246}

src/profiler/profile-generator.cc

@@ -195,7 +195,6 @@ const std::vector<CodeEntryAndLineNumber>* CodeEntry::GetInlineStack(
 void CodeEntry::set_deopt_info(
     const char* deopt_reason, int deopt_id,
     std::vector<CpuProfileDeoptFrame> inlined_frames) {
-  DCHECK(!has_deopt_info());
   RareData* rare_data = EnsureRareData();
   rare_data->deopt_reason_ = deopt_reason;
   rare_data->deopt_id_ = deopt_id;