move compute kernels from physics.f90 to where they belong

5 jobs for feature/devel/physics_interface_unst in 6 minutes and 31 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #459966
build-gnu

00:01:33

passed #459967
build-intel

00:01:20

passed #459969
build-noio

00:00:54

passed #459968
build-nvidia

00:05:16

 
  Check
passed #459970
check-dcmip41

00:04:54