[API] Remove second OnCriticalMemoryPressure

Remove the deprecated OnCriticalMemoryPressure method with receives an
informative parameter.

R=mlippautz@chromium.org

Bug: chromium:634547
Change-Id: I932c3b5030291294dd340362f0b20d374e3067c0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3780533
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83254}

include/v8-platform.h

@@ -943,18 +943,6 @@ class Platform {
    */
   virtual void OnCriticalMemoryPressure() {}
 
-  /**
-   * Enables the embedder to respond in cases where V8 can't allocate large
-   * memory regions. The |length| parameter is the amount of memory needed.
-   * Returns true if memory is now available. Returns false if no memory could
-   * be made available. V8 will retry allocations until this method returns
-   * false.
-   *
-   * Embedder overrides of this function must NOT call back into V8.
-   */
-  V8_DEPRECATED("Use the method without informative parameter")
-  virtual bool OnCriticalMemoryPressure(size_t length) { return false; }
-
   /**
    * Gets the number of worker threads used by
    * Call(BlockingTask)OnWorkerThread(). This can be used to estimate the number