marker remove does not work

While ctrl+space search works, `marker remove` does not.
see https://asciinema.org/a/qWzeOnqn5X80FDWvlpTezVe3K

Manjaro Arch i3, installed as in Readme like this:

```
git clone --depth=1 https://github.com/pindexis/marker ~/.marker && ~/.marker/install.py
```
.bashrc:
```
[[ -s "$HOME/.local/share/marker/marker.sh" ]] && source "$HOME/.local/share/marker/marker.sh"
```
