Fix for JIRA issue TDLR-512 -- remove empty parens from participant names when attributes are missing in TEI.
Fix for JIRA issue TDLR-512 -- remove empty parens from participant names when attributes are missing in TEI.

TuftsUniversity/tuftsification-hydra,TuftsUniversity/tuftsification-hydra,TuftsUniversity/tuftsification-hydra