Remove truncase from Common Lisp
According to https://github.com/KDE/syntax-highlighting/pull/32 this seems to be a typo. The issue was detected in this project: https://github.com/matterhorn-chat/matterhorn/issues/829
According to https://github.com/KDE/syntax-highlighting/pull/32 this seems to be a typo. The issue was detected in this project: https://github.com/matterhorn-chat/matterhorn/issues/829