feat(dasd_mod): finally remove dasd handling consolidated in s390-tools

This final cleanup is based on the assumption that users have migrated
their old deprecated persistent config with the help of s390utils
dasdconfmigrate.sh, potentially invoked by a distribution upgrade.

Signed-off-by: Steffen Maier <[email protected]>

Author: steffen-maier

.github/labeler.yml

@@ -374,10 +374,6 @@ cifs:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95cifs/*'
 
-dasd_mod:
-  - changed-files:
-    - any-glob-to-any-file: 'modules.d/95dasd_mod/*'
-
 dcssblk:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95dcssblk/*'