message: [Target] Remove dead/commented out code. NFC.
  Some spring cleaning before I touch this file more extensively.
diff: @@ -102,9 +102,6 @@ public:
  const char *GetDisassemblyFlavor() const;
  - // void
  - // SetDisassemblyFlavor(const char *flavor);
  -
  InlineStrategy GetInlineStrategy() const;
  llvm::StringRef GetArg0() const;
  @@ -489,9 +486,6 @@ public:
  static void SetDefaultArchitecture(const ArchSpec &arch);
  - // void
  - // UpdateInstanceName ();
  -
  lldb::ModuleSP GetSharedModule(const ModuleSpec &module_spec,
  Status *error_ptr = nullptr);
  @@ -992,13 +986,6 @@ public:
  return m_section_load_history.GetCurrentSectionLoadList();
  }
  - // const SectionLoadList&
  - // GetSectionLoadList() const
  - // {
  - // return const_cast<SectionLoadHistory
  - // *>(&m_section_load_history)->GetCurrentSectionLoadList();
  - // }
  -
  static Target *GetTargetFromContexts(const ExecutionContext *exe_ctx_ptr,
  const SymbolContext *sc_ptr);
  @@ -1172,9 +1159,6 @@ public:
  bool GetSuppressStopHooks() { return m_suppress_stop_hooks; }
  - // StopHookSP &
  - // GetStopHookByIndex (size_t index);
  - //
  bool RemoveStopHookByID(lldb::user_id_t uid);
  void RemoveAllStopHooks();
  