[Sheriff] Revert "Let SetEntropySource() fail if called after V8::Initialize()."

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 28110826ba3cf10d5ad2ac8c20d29cd5bf7eb325..4206105424d4ed73be4e67c071e810f68d3f57f3 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -4540,9 +4540,6 @@ class V8_EXPORT V8 {
   /**
    * Allows the host application to provide a callback which can be used
    * as a source of entropy for random number generators.
-   *
-   * \note Setting an entropy source can only be done very early prior to
-   *   calling Initialize().
    */
   static void SetEntropySource(EntropySource source);