Ensure we pass mount object also from volumes code

src/volumes.js

@@ -165,7 +165,7 @@ async function update(id, mountOptions, auditSource) {
     // first try to mount at /mnt/volumes/<volumeId>-validation
     const testMount = Object.assign({}, mount, { hostPath: `${hostPath}-validation` });
     await mounts.tryAddMount(testMount, { timeout: 10 }); // 10 seconds
-    await mounts.removeMount(testMount.hostPath);
+    await mounts.removeMount(testMount);
 
     // update the mount
     await mounts.tryAddMount(mount, { timeout: 10 }); // 10 seconds
@@ -204,7 +204,7 @@ async function del(volume, auditSource) {
     if (volume.mountType === mounts.MOUNT_TYPE_MOUNTPOINT || volume.mountType === mounts.MOUNT_TYPE_FILESYSTEM) {
         safe(services.rebuildService('sftp', auditSource), { debug });
     } else {
-        await safe(mounts.removeMount(volume.hostPath));
+        await safe(mounts.removeMount(volume));
     }
 }