Revert "Throw error on missing HDF5 runtime (windows only)"
Revert "Throw error on missing HDF5 runtime (windows only)"

This reverts commit dd372d5aac5adcdee1b13bfa11087b899723d6eb.

As discussed in gh-766 we cannot install vendored DLLs on
`python setup.py install|develop`.

Revert this to keep `git blame` information useful.

PyTables/PyTables,avalentino/PyTables,FrancescAlted/PyTables,FrancescAlted/PyTables,FrancescAlted/PyTables,avalentino/PyTables,PyTables/PyTables,avalentino/PyTables,PyTables/PyTables