DOCS: Cleanup per linter

Author: reefland

_extra_apps/rook-ceph-argocd-helm/README.md

@@ -375,4 +375,4 @@ Initial Ceph Dashboard:
   * Enable the storage class
 
 Ceph Grafana Dashboard:
-![Ceph Grafana Dashboard](rook_ceph_grafana_dashboard.png)
+![Ceph Grafana Dashboard](rook_ceph_grafana_dashboard.png)

_extra_apps/rook-ceph-argocd-helm/ceph-toolbox.md

@@ -135,4 +135,4 @@ ID  CLASS  WEIGHT   TYPE NAME       STATUS  REWEIGHT  PRI-AFF
  2   nvme  0.68359          osd.2       up   1.00000  1.00000
 ```
 
-[Return to Application List](../)
+[Return to Application List](../)