Remove unnecessary dependencies once we remove support for all script based datasets
Normally: services/worker should only depend on `datasets[audio,image]` to be able to load all the datasets. No need for specific ones like `pdf2image`, `kenlm` etc.
Remove unnecessary dependencies once we remove support for all script based datasets: Normally: services/worker should only depend on `datasets[audio,image]` to be able to load all the datasets. No need for specific ones like `pdf2image`, `kenlm` etc.