[turbofan] Remove the representation dimension from Type.

test/cctest/types-fuzz.h

Index: test/cctest/types-fuzz.h
diff --git a/test/cctest/types-fuzz.h b/test/cctest/types-fuzz.h
index 2fc18cb82da580e3452c7211308eeba22db096d2..11cbc941a2f6c7c6422d27016819f04807710585 100644
--- a/test/cctest/types-fuzz.h
+++ b/test/cctest/types-fuzz.h
@@ -142,8 +142,6 @@ class Types {
 
   Type* Intersect(Type* t1, Type* t2) { return Type::Intersect(t1, t2, zone_); }
 
-  Type* Representation(Type* t) { return Type::Representation(t, zone_); }
-
   Type* Semantic(Type* t) { return Type::Semantic(t, zone_); }
 
   Type* Random() {