Remove TypeConverter and Module from minimal subzero build.

src/IceTypeConverter.cpp

 //===- subzero/src/IceTypeConverter.cpp - Convert ICE/LLVM Types ----------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements how to convert LLVM types to ICE types, and ICE types
@@ skipping 29 matching lines @@
 void TypeConverter::addLLVMType(Type Ty, llvm::Type *LLVMTy) {
   assert(static_cast<size_t>(Ty) == LLVMTypes.size());
   LLVMTypes.push_back(LLVMTy);
   LLVM2IceMap[LLVMTy] = Ty;
 }
 
 Type TypeConverter::convertToIceTypeOther(llvm::Type *LLVMTy) const {
   switch (LLVMTy->getTypeID()) {
   case llvm::Type::PointerTyID:
   case llvm::Type::FunctionTyID:
-    return getIcePointerType();
+    return getPointerType();
   default:
     return Ice::IceType_NUM;
   }
 }
 
 } // end of Ice namespace.