TUT: heatTransfer: clean up tutorials

• elementwise the same:

logs-old.gz

testLoopReport-old.gz

logs-new.gz

testLoopReport-new.gz

• the environment of the old setup:

    base0    = base
    base1    = develop
    api      = 2103
    patch    = 210414
    HEAD     = 9a3d27e3df
    version  = com
    compiler = Clang (system)
             = clang version 9.0.1 
    mpi      = SYSTEMOPENMPI
             = mpirun (Open MPI) 1.10.7.0.5e373bf1fd
    OS       = Description:     openSUSE Leap 15.1
    opts     = linux64ClangDPInt32Opt