modify some longruns

[szy21]

Purpose

To-do

Content

• Change all dycore longruns (baroclinic wave and held suarez) to h_elem=30 and z_elem=63. I didn't test what maximum timestep we can get (cc @dennisYatunin @Sbozzolo)
• Remove longrun_aquaplanet_rhoe_equil_55km_nz63_clearsky_tvinsol_0M_slabocean as there is a high resolution slab ocean job
• Remove longrun_aquaplanet_rhoe_equil_55km_nz63_clearsky_diagedmf_diffonly_0M as there is a diagnostic edmf job with sgs mass flux

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