csi: remove default-fstype for cephfs

we dont need to have fstype for cephfs
pvc, removing the unwanted argument
for cephfs.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 3017d563f2)

pkg/operator/ceph/csi/template/cephfs/csi-cephfsplugin-provisioner-dep.yaml

@@ -33,7 +33,6 @@ spec:
             - "--leader-election-lease-duration=137s"
             - "--leader-election-renew-deadline=107s"
             - "--leader-election-retry-period=26s"
-            - "--default-fstype=ext4"
           env:
             - name: ADDRESS
               value: /csi/csi-provisioner.sock