To delete all plugin data and translations from the database, you have to access it using a management tool like phpMyAdmin and delete all the created tables, options, and meta keys.
_postmeta table – meta keys inserted into the _postmeta table have _twt_
prefix
_termmeta table – meta keys inserted into the _termmeta table have _twt_
prefix
_options table – options inserted into the _options table have the twt_ prefix
_usermeta table – meta keys inserted into the _usermeta table have twt_
prefix
To delete all the data using SQL queries:
deletefrom wp_options where option_name like 'twt_%'; deletefrom wp_termmeta where meta_key like '_twt_%'; deletefrom wp_postmeta where meta_key like '_twt_%'; deletefrom wp_usermeta where meta_key like '_twt_%';