Revert "DWARF and unwind support for AOT assembly output."

runtime/vm/clustered_snapshot.cc

Index: runtime/vm/clustered_snapshot.cc
diff --git a/runtime/vm/clustered_snapshot.cc b/runtime/vm/clustered_snapshot.cc
index 1ab549434c4d99f7da6b09235d2c03f52bf68ad1..8dcb5e151d3c7a5f3974421cbd9b0ddbc976f51a 100644
--- a/runtime/vm/clustered_snapshot.cc
+++ b/runtime/vm/clustered_snapshot.cc
@@ -1572,10 +1572,8 @@ class CodeSerializationCluster : public SerializationCluster {
     s->Push(code->ptr()->catch_entry_.variables_);
 #endif
     s->Push(code->ptr()->stackmaps_);
-    if (!FLAG_dwarf_stack_traces) {
-      s->Push(code->ptr()->inlined_id_to_function_);
-      s->Push(code->ptr()->code_source_map_);
-    }
+    s->Push(code->ptr()->inlined_id_to_function_);
+    s->Push(code->ptr()->code_source_map_);
     if (s->kind() != Snapshot::kAppAOT) {
       s->Push(code->ptr()->await_token_positions_);
     }
@@ -1636,16 +1634,13 @@ class CodeSerializationCluster : public SerializationCluster {
       s->WriteRef(code->ptr()->catch_entry_.variables_);
 #endif
       s->WriteRef(code->ptr()->stackmaps_);
-      if (FLAG_dwarf_stack_traces) {
-        s->WriteRef(Array::null());
-        s->WriteRef(CodeSourceMap::null());
-      } else {
-        s->WriteRef(code->ptr()->inlined_id_to_function_);
-        s->WriteRef(code->ptr()->code_source_map_);
-      }
+      s->WriteRef(code->ptr()->inlined_id_to_function_);
+      s->WriteRef(code->ptr()->code_source_map_);
       if (s->kind() != Snapshot::kAppAOT) {
         s->WriteRef(code->ptr()->await_token_positions_);
       }
+
+
       if (s->kind() == Snapshot::kAppJIT) {
         s->WriteRef(code->ptr()->deopt_info_array_);
         s->WriteRef(code->ptr()->static_calls_target_table_);