qa/cephfs: run test_multifs_single_path_rootsquash for kclient too

Root squash is valid for kclient too, Kotresh ran test recently fo it
against main branch. Therefore it is safe to remove.
ceph#56846 (comment)

Signed-off-by: Rishabh Dave <[email protected]>

Author: rishabh-d-dave

qa/tasks/cephfs/test_admin.py

@@ -1417,10 +1417,6 @@ def test_multifs_single_path_rootsquash(self):
         self.mount_b.remount(cephfs_name=self.fs2.name)
         self.captesters = (CapTester(self.mount_a), CapTester(self.mount_b))
 
-        if not isinstance(self.mount_a, FuseMount):
-            self.skipTest("only FUSE client has CEPHFS_FEATURE_MDS_AUTH_CAPS "
-                          "needed to enforce root_squash MDS caps")
-
         # Authorize client to fs1
         PERM = 'rw'
         FS_AUTH_CAPS = (('/', PERM, 'root_squash'),)