[REF] stock: action_done cleaning
[REF] stock: action_done cleaning

* rewrite the docstring
* rename pick -> picking
* rename ops -> move_line
* remove commented code

task-1938108
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo