Remove redundant query of nCellsSolve dimension in physics_run_init

The physics_run_init routine in the mpas_atmphys_manager module contained a
redundant query of the nCellsSolve dimension from the mesh pool. This commit
simply removes the extra query.

Author: mgduda

src/core_atmosphere/physics/mpas_atmphys_manager.F

@@ -447,7 +447,6 @@ subroutine physics_run_init(configs,mesh,state,clock,stream_manager)
  call mpas_pool_get_dimension(mesh,'nAerLevels' ,nAerLevels )
  call mpas_pool_get_dimension(mesh,'nOznLevels' ,nOznLevels )
  call mpas_pool_get_dimension(mesh,'nCellsSolve',nCellsSolve)
- call mpas_pool_get_dimension(mesh,'nCellsSolve',nCellsSolve)
  call mpas_pool_get_dimension(mesh,'nSoilLevels',nSoilLevels)
  call mpas_pool_get_dimension(mesh,'nVertLevels',nVertLevels)