Empty statements should be removed

GitHub links:
- https://github.com/openmrs/openmrs-core/blob/master/api/src/main/java/org/openmrs/api/db/hibernate/HibernatePersonDAO.java#L91

• https://github.com/openmrs/openmrs-core/blob/master/api/src/main/java/org/openmrs/api/db/hibernate/search/LuceneQuery.java#L65
• https://github.com/openmrs/openmrs-core/blob/master/api/src/main/java/org/openmrs/util/ThreadSafeCircularFifoQueue.java#L702
• https://github.com/openmrs/openmrs-core/blob/master/api/src/main/java/org/openmrs/util/ThreadSafeCircularFifoQueue.java#L773

Problem:
Duplicate semicolon.

Solution:
Removal of an unnecessary semicolon.