[sdist] Remove MANIFEST.in
[sdist] Remove MANIFEST.in

Remove MANIFEST.in file because it is not needed by Setuptools.

silgon/pymdptoolbox,sawcordwell/pymdptoolbox,McCabeJM/pymdptoolbox,yasserglez/pymdptoolbox,McCabeJM/pymdptoolbox,yasserglez/pymdptoolbox,sawcordwell/pymdptoolbox,silgon/pymdptoolbox