[paradigm dictionary] label definitions should be in localisation files

Stuff like [this](https://github.com/apertium/apertium-html-tools/blob/ef4d433c4e83b9faea01e66a4b38d32782e0d688/src/components/dictionary/langs/uum.ts#L19-L464) should be in places like [this](https://github.com/apertium/apertium-html-tools/blob/urum/src/strings/pos/eng.json).