Static typing fixes - #46

Why do we want to remove the when condition? As per nf-core this gives a bit more flexibility to make changes in the config of a pipeline.

Why do we want to remove the when condition? As per nf-core this gives a bit more flexibility to make changes in the config of a pipeline.

From this tutorial:
"Process when section
The process when section is discouraged. As a best practice, conditional logic should be implemented in the calling workflow (e.g. using an if statement or filter operator) instead of the process definition."