Revert "Compare external pixel data length against Smi::kMaxValue"

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 5eda04b9df4d99752b522ad54619bf4d3824dce9..6788962cf42e99e84a57cc1f60dd15e67376d12b 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4700,6 +4700,9 @@ class ExternalArray: public FixedArrayBase {
   // Casting.
   static inline ExternalArray* cast(Object* obj);
 
+  // Maximal acceptable length for an external array.
+  static const int kMaxLength = 0x3fffffff;
+
   // ExternalArray headers are not quadword aligned.
   static const int kExternalPointerOffset =
       POINTER_SIZE_ALIGN(FixedArrayBase::kLengthOffset + kPointerSize);