[wasm] Remove Liftoff counters

Those counters were interesting during the development of Liftoff, but
they were never reported to UMA. Now that we have precise tracking of
the Liftoff bailout reason in UMA, those counters are redundant.

R=ahaas@chromium.org

Bug: v8:11387
Change-Id: I4595414a0e3ff8bf9c954baa2317aa39af65b372
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2678163Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72552}

src/logging/counters-definitions.h

@@ -315,12 +315,10 @@ namespace internal {
   /* Total count of functions compiled using the baseline compiler. */         \
   SC(total_baseline_compile_count, V8.TotalBaselineCompileCount)
 
-#define STATS_COUNTER_TS_LIST(SC)                                    \
-  SC(wasm_generated_code_size, V8.WasmGeneratedCodeBytes)            \
-  SC(wasm_reloc_size, V8.WasmRelocBytes)                             \
-  SC(wasm_lazily_compiled_functions, V8.WasmLazilyCompiledFunctions) \
-  SC(liftoff_compiled_functions, V8.LiftoffCompiledFunctions)        \
-  SC(liftoff_unsupported_functions, V8.LiftoffUnsupportedFunctions)
+#define STATS_COUNTER_TS_LIST(SC)                         \
+  SC(wasm_generated_code_size, V8.WasmGeneratedCodeBytes) \
+  SC(wasm_reloc_size, V8.WasmRelocBytes)                  \
+  SC(wasm_lazily_compiled_functions, V8.WasmLazilyCompiledFunctions)
 
 // List of counters that can be incremented from generated code. We need them in
 // a separate list to be able to relocate them.

src/wasm/baseline/liftoff-compiler.cc

@@ -5336,11 +5336,6 @@ WasmCompilationResult ExecuteLiftoffCompilation(
     // Register the bailout reason (can also be {kSuccess}).
     counters->liftoff_bailout_reasons()->AddSample(
         static_cast<int>(compiler->bailout_reason()));
-    if (compiler->did_bailout()) {
-      counters->liftoff_unsupported_functions()->Increment();
-    } else {
-      counters->liftoff_compiled_functions()->Increment();
-    }
   }
 
   if (compiler->did_bailout()) return WasmCompilationResult{};