message: Fixes erroneous documentation in sidre::Buffer
  Buffer does not have an `isApplied()` function.
diff: @@ -165,8 +165,7 @@ public:
  }
  /*!
  - * \brief Return true if data description exists. It may/may not have been
  - * applied to the data yet. ( Check isApplied() for that. )
  + * \brief Return true if data description exists.
  */
  bool isDescribed() const
  {
  