Use the doxygen command \deprecated nowhere. Deprecated stuff is already in...

Use the doxygen command \deprecated nowhere. Deprecated stuff is already in the changelog. Otherwise there is the timemanager as lonely item on the page 'Deprecated List' under 'Related Pages' in doxygen.

dumux/common/timemanager.hh

@@ -39,7 +39,6 @@ namespace Dumux {
 
 /*!
  * \ingroup Common
- * \deprecated
  * \brief Manages the handling of time dependent problems.
  *
  * This class facilitates the time management of the simulation.