Remove base mesh dependency in compute sample kernel#313

Juan Manuel Castillo Sanchez (ukmo-juan-castillo) wants to merge 10 commits intoMetOffice:mainMetOffice/lfric_core:mainfrom

ukmo-juan-castillo:base_mesh_compute_sample_kernelukmo-juan-castillo/lfric_core:base_mesh_compute_sample_kernelCopy head branch name to clipboard