Operation which selects a random file and attempts to delete that file (if it
 * exists)
 * 
 * This operation will capture statistics on success the time taken to delete
 * and the number of successful deletions that occurred and on failure or error
 * it will capture the number of failures and the amount of time taken to fail
Operation which selects a random file and attempts to delete that file (if it
 * exists)
 * 
 * This operation will capture statistics on success the time taken to delete
 * and the number of successful deletions that occurred and on failure or error
 * it will capture the number of failures and the amount of time taken to fail | DeleteOp.java