Revert "[test] Add more flags to numfuzz flags fuzzer"

This reverts commit ab1b511c.

Reason for revert: too many spurious errors

Original change's description:
> [test] Add more flags to numfuzz flags fuzzer
> 
> This adds a selection of flags to numfuzz that are already used
> for different testing variants or on clusterfuzz for
> correctness testing.
> 
> No-Try: true
> Change-Id: I79745b281b001f57d2b24977f3a8e9ce3bbab2a4
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1906573
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#64884}

TBR=machenbach@chromium.org,clemensb@chromium.org,almuthanna@google.com,liviurau@chromium.org

Change-Id: Iba9cfa8e6e8e2cb3b9fe0f803b07376ae55d783c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1910112Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64895}

tools/testrunner/testproc/fuzzer.py

@@ -11,15 +11,6 @@ from . import base
 # Extra flags randomly added to all fuzz tests with numfuzz. List of tuples
 # (probability, flag).
 EXTRA_FLAGS = [
-  (0.1, '--always-opt'),
-  (0.1, '--assert-types'),
-  (0.1, '--cache=code'),
-  (0.1, '--force-slow-path'),
-  (0.2, '--future'),
-  (0.1, '--jitless'),
-  (0.1, '--liftoff'),
-  (0.1, '--minor-mc'),
-  (0.2, '--no-analyze-environment-liveness'),
   (0.1, '--no-enable-sse3'),
   (0.1, '--no-enable-ssse3'),
   (0.1, '--no-enable-sse4_1'),
@@ -31,17 +22,6 @@ EXTRA_FLAGS = [
   (0.1, '--no-enable-bmi2'),
   (0.1, '--no-enable-lzcnt'),
   (0.1, '--no-enable-popcnt'),
-  (0.1, '--no-liftoff'),
-  (0.1, '--no-opt'),
-  (0.2, '--no-regexp-tier-up'),
-  (0.1, '--no-wasm-tier-up'),
-  (0.1, '--regexp-interpret-all'),
-  (0.1, '--regexp-tier-up-ticks=10'),
-  (0.1, '--regexp-tier-up-ticks=100'),
-  (0.1, '--stress-background-compile'),
-  (0.1, '--turbo-instruction-scheduling'),
-  (0.1, '--turbo-stress-instruction-scheduling'),
-  (0.1, '--turboprop'),
 ]
 
 def random_extra_flags(rng):