Remove the old CFI infrastructure.

Change-Id: I12a17a8a1c39ffccaa499c328ebac36e4d74dc4e
diff --git a/compiler/dex/quick/codegen_util.cc b/compiler/dex/quick/codegen_util.cc
index f944c11..809574e 100644
--- a/compiler/dex/quick/codegen_util.cc
+++ b/compiler/dex/quick/codegen_util.cc
@@ -1154,14 +1154,6 @@
     return lhs.LiteralOffset() < rhs.LiteralOffset();
   });
 
-  std::unique_ptr<std::vector<uint8_t>> cfi_info(
-      cu_->compiler_driver->GetCompilerOptions().GetGenerateGDBInformation() ?
-          ReturnFrameDescriptionEntry() :
-          nullptr);
-  ArrayRef<const uint8_t> cfi_ref;
-  if (cfi_info.get() != nullptr) {
-    cfi_ref = ArrayRef<const uint8_t>(*cfi_info);
-  }
   return CompiledMethod::SwapAllocCompiledMethod(
       cu_->compiler_driver, cu_->instruction_set,
       ArrayRef<const uint8_t>(code_buffer_),
@@ -1170,7 +1162,7 @@
       ArrayRef<const uint8_t>(encoded_mapping_table_),
       ArrayRef<const uint8_t>(vmap_encoder.GetData()),
       ArrayRef<const uint8_t>(native_gc_map_),
-      cfi_ref,
+      ArrayRef<const uint8_t>(),
       ArrayRef<const LinkerPatch>(patches_));
 }
 
@@ -1332,11 +1324,6 @@
   UNREACHABLE();
 }
 
-std::vector<uint8_t>* Mir2Lir::ReturnFrameDescriptionEntry() {
-  // Default case is to do nothing.
-  return nullptr;
-}
-
 RegLocation Mir2Lir::NarrowRegLoc(RegLocation loc) {
   if (loc.location == kLocPhysReg) {
     DCHECK(!loc.reg.Is32Bit());