TUT: combustion: clean up tutorials

logs-old.gz

testLoopReport-old.gz

logs-new.gz

testLoopReport-new.gz

    base0    = work
    base1    = tutorial-combustion
    api      = 2103
    patch    = 210414
    HEAD     = cf6b675a8b
    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

changed milestone to %v2106

added Ready tutorial labels

requested review from @Prashant

approved this merge request

added 13 commits

• cf6b675a...1a747a12 - 12 commits from branch develop
• ab5c7765 - TUT: combustion: clean up tutorials

Compare with previous version

mentioned in commit 7e4cd558

merged