Revert "usb: gadget: mass_storage: added sysfs entry for cdrom to LUNs"

This reverts commit f8e8c98150c38dd3e7718b3e1a29b0acc36818c4.

Change-Id: I5373e681eeaf2c01f5a51f92dad83cf6345636da
Merge branch 'cm-11.0' into kk_mkt