Revert "[diagnostics] Enable logging for --perf-prof and --ll-prof."

This reverts commit fcf28e83.

Reason for revert: Speculative revert since all gpu bots are failing:
https://ci.chromium.org/p/v8/builders/ci/Linux%20V8%20FYI%20Release%20(NVIDIA)/13141

Original change's description:
> [diagnostics] Enable logging for --perf-prof and --ll-prof.
>
> Change-Id: I09722d0ce372a825dfe454583da433b38cf4de60
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2647109
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
> Cr-Commit-Position: refs/heads/master@{#72311}

TBR=cbruni@chromium.org,jgruber@chromium.org,pierre.langlois@arm.com

Change-Id: I4f0fd218b707fd8eef9e1a5319d30012e76c88fd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2649036Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72316}

src/init/v8.cc

@@ -84,9 +84,7 @@ void V8::InitializeOncePerProcessImpl() {
       FLAG_log = true;
       break;
     }
-    // Profiling flags depend on logging.
-    FLAG_log |= FLAG_perf_prof || FLAG_perf_basic_prof || FLAG_ll_prof ||
-                FLAG_prof || FLAG_prof_cpp;
+    FLAG_log |= FLAG_perf_basic_prof || FLAG_prof || FLAG_prof_cpp;
   }
 
   FlagList::EnforceFlagImplications();