remove Nushell

we can keep the Nushell benchmark pipeline but maybe we could get rid of the SACLIN Nushell example and remove Nushell from the whole CI

added bookkeeping label

assigned to @a.stevan

mentioned in merge request !199 (merged)

mentioned in commit b7e2d99d

mentioned in merge request !200 (merged)

mentioned in commit komodo.nu@cb0cd792

mentioned in commit 0d7a5cd6

closed with merge request !200 (merged)