Update Kepler-44.xml

Alternative names added.
Delete KOI-204.xml

Duplicate of Kepler-44.
Merge branch 'patch-26' of github.com:jaroslavmerc/open_exoplanet_catalogue into jaroslavmerc-patch-26
Merge branch 'patch-27' of github.com:jaroslavmerc/open_exoplanet_catalogue into jaroslavmerc-patch-26