[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..16bfd737ea235fd0ddcca862ae8f2e5e15c774de 100644
--- a/test/cctest/types-fuzz.h
+++ b/test/cctest/types-fuzz.h
@@ -108,9 +108,6 @@ class Types {
   PROPER_BITSET_TYPE_LIST(DECLARE_TYPE)
   #undef DECLARE_TYPE
 
-#define DECLARE_TYPE(name, value) Type* Mask##name##ForTesting;
-  MASK_BITSET_TYPE_LIST(DECLARE_TYPE)
-#undef DECLARE_TYPE
   Type* SignedSmall;
   Type* UnsignedSmall;
 
@@ -142,10 +139,6 @@ 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() {
     return types[rng_->NextInt(static_cast<int>(types.size()))];
   }