[wasm] Remove obsolete TODO from {WasmInterpreter}.

R=clemensb@chromium.org

Change-Id: I2eb419bbfbea81d58b1c13e527af1728d84c4092
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1864656Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64329}

src/wasm/wasm-interpreter.h

@@ -133,7 +133,6 @@ class V8_EXPORT_PRIVATE WasmInterpreter {
 
     // Stack inspection and modification.
     pc_t GetBreakpointPc();
-    // TODO(clemensb): Make this uint32_t.
     int GetFrameCount();
     // The InterpretedFrame is only valid as long as the Thread is paused.
     FramePtr GetFrame(int index);