Add optional attribute to variables in: GFS_ccpp_suite_sim_pre, F-A MP, MYJ SFC/PBL
-- These were overlooked in https://github.com/ufs-community/ccpp-physics/pull/189 because they are not used in UFS RTs
-- Needed for SCM CI tests
remove unnecessary comment in MYNN EDMF PBL (see #1076 )
Contains:
https://github.com/ufs-community/ccpp-physics/pull/194 https://github.com/ufs-community/ccpp-physics/pull/205 https://github.com/ufs-community/ccpp-physics/pull/189
Plus: