Remove unused CJX_Object::TypeTag values.

The previous CLs pruning the CJX_Object hierarchy have made
these values unused.

Change-Id: I7dccafb1c29de7f6bff77796f478b6240346a1ad
Reviewed-on: https://pdfium-review.googlesource.com/c/50590
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/xfa/cjx_object.h b/fxjs/xfa/cjx_object.h
index 557e6a3..7b8ffbc 100644
--- a/fxjs/xfa/cjx_object.h
+++ b/fxjs/xfa/cjx_object.h
@@ -59,29 +59,20 @@
   // Corresponds 1:1 with CJX_ subclasses.
   enum class TypeTag {
     Boolean,
-    Comb,
     Container,
-    DataValue,
     DataWindow,
-    Date,
-    DateTime,
-    Decimal,
     Delta,
     Desc,
     Draw,
     Encrypt,
     EventPseudoModel,
     ExclGroup,
-    ExData,
     Extras,
     Field,
-    Float,
     Form,
     Handler,
     HostPseudoModel,
-    Image,
     InstanceManager,
-    Integer,
     LayoutPseudoModel,
     List,
     LogPseudoModel,
@@ -91,19 +82,15 @@
     Object,
     Occur,
     Packet,
-    Picture,
     Script,
     SignaturePesudoModel,
     Source,
     Subform,
     SubformSet,
     Template,
-    Text,
     TextNode,
-    Time,
     Tree,
     TreeList,
-    Value,
     WsdlConnection,
     Xfa,
   };