remove Zhao-Carr cloud schemes and merge Xu-Randall cloud fraction calculations in RRTMG and RRTMGP schemes#3042

gspetro-NOAA merged 15 commits into

ufs-community:developufs-community/ufs-weather-model:developfrom

Qingfu-Liu:Zhao_Carr_cloudQingfu-Liu/ufs-weather-model:Zhao_Carr_cloudCopy head branch name to clipboard