[lldb][Mangled][NFC] Clean up member variable doxygen comments

Author: Michael137

lldb/include/lldb/Core/Mangled.h

@@ -276,10 +276,12 @@ class Mangled {
   void Encode(DataEncoder &encoder, ConstStringTable &strtab) const;
 
 private:
-  /// Mangled member variables.
-  ConstString m_mangled;           ///< The mangled version of the name
-  mutable ConstString m_demangled; ///< Mutable so we can get it on demand with
-                                   ///a const version of this object
+  ///< The mangled version of the name.
+  ConstString m_mangled;
+
+  ///< Mutable so we can get it on demand with
+  ///< a const version of this object.
+  mutable ConstString m_demangled;
 };
 
 Stream &operator<<(Stream &s, const Mangled &obj);