[sparkplug] Fix compilation error on unsupported platforms

The following compilation error is thrown if a platform
does not have sparkplug implanted:

error: code will never be executed

Change-Id: Ifbf2162ec9580f86620ca2bfd1007d96da2a4138
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2992889
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75455}

src/runtime/runtime-internal.cc

@@ -347,7 +347,7 @@ RUNTIME_FUNCTION(Runtime_BytecodeBudgetInterruptFromBytecode) {
   }
   if (CanCompileWithBaseline(isolate, function->shared()) &&
       !function->ActiveTierIsBaseline()) {
-    if (V8_LIKELY(FLAG_baseline_batch_compilation)) {
+    if (FLAG_baseline_batch_compilation) {
       isolate->baseline_batch_compiler()->EnqueueFunction(function);
     } else {
       IsCompiledScope is_compiled_scope(