HDF5 build and link rules are now pulled from h5fortran's manifest

Author: milancurcic

fpm.toml

@@ -5,10 +5,5 @@ author = "Milan Curcic"
 maintainer = "milancurcic@hey.com"
 copyright = "Copyright 2018-2022, neural-fortran contributors"
 
-// The following HDF5 stuff could move to h5fortran's fpm.toml
-[build]
-external-modules = ["hdf5", "h5lt"]
-link = ["hdf5", "hdf5_hl", "hdf5_fortran", "hdf5hl_fortran"]
-
 [dependencies]
 h5fortran = { git="https://github.com/geospace-code/h5fortran" }