[ignition] Decrease code size multiplier to 24.

BUG=

Review-Url: https://codereview.chromium.org/2758503002
Cr-Original-Commit-Position: refs/heads/master@{#43861}
Committed: https://chromium.googlesource.com/v8/v8/+/b880309bc7f2c4be67f12bac04249f09b0fdd66d
Review-Url: https://codereview.chromium.org/2758503002
Cr-Commit-Position: refs/heads/master@{#44002}

src/interpreter/interpreter.h

@@ -62,7 +62,7 @@ class Interpreter {
   }
 
   // TODO(ignition): Tune code size multiplier.
-  static const int kCodeSizeMultiplier = 32;
+  static const int kCodeSizeMultiplier = 24;
 
  private:
   // In the case of bytecodes that share handler implementations, copy the code