release: remove nix_dependencies_moved task

.release.cfg

@@ -1,31 +1,28 b''
 [DEFAULT]
 done = false
 
 [task:fixes_on_stable]
 done = true
 
 [task:changelog_updated]
 done = true
 
-[task:nix_dependencies_moved]
-done = true
-
 [task:bump_version]
 done = true
 
 [task:generate_js_routes]
 done = true
 
 [task:generate_api_docs]
 done = true
 
 [release]
 state = prepared
 version = 3.8.3
 
 [task:updated_translation]
 
 [task:updated_trial_license]
 
 [task:generate_oss_licenses]