Revert "Add support to load/store byte fields." and "MIPS: Add support to load/store byte fields.".

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index e16bb22957f8a6149c7075361ee2dbc0ee284eb9..61da776e21eb18b89be428ca1c4fb8b2c2b81c4a 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -2829,9 +2829,6 @@ Range* HShl::InferRange(Zone* zone) {
 
 
 Range* HLoadNamedField::InferRange(Zone* zone) {
-  if (access().representation().IsByte()) {
-    return new(zone) Range(0, 255);
-  }
   if (access().IsStringLength()) {
     return new(zone) Range(0, String::kMaxLength);
   }