host: drop raw_disk_is_available

No user yet, and only adds a second level of safety net to
disk_is_available.

Signed-off-by: Yann Dirson <[email protected]>

Author: ydirson

lib/host.py

@@ -540,14 +540,6 @@ def disks(self):
         disks.sort()
         return disks
 
-    def raw_disk_is_available(self, disk: str) -> bool:
-        """
-        Check if a raw disk (without any identifiable filesystem or partition label) is available.
-
-        It suggests the disk is "raw" and likely unformatted thus available.
-        """
-        return self.ssh_with_result(['blkid', '/dev/' + disk]).returncode == 2
-
     def disk_is_available(self, disk: str) -> bool:
         """
         Check if a disk is unmounted and appears available for use.