Remove "free software" from full_description.txt since fdroid only has free software

Julien LepillerTue May 14 21:44:52+0200 2019

a4daf59

nani/app/furiganatextview/src/test/java
namelast commitdate
eu/Add furiganaMon Apr 15 20:09:48+0200 2019
se/Add furiganaMon Apr 15 20:09:48+0200 2019