fixed warnings

Author: tamu-sad-iii

src/main/java/edu/tamu/app/model/AbstractIdea.java

@@ -14,7 +14,6 @@
 import org.hibernate.annotations.UpdateTimestamp;
 
 import edu.tamu.app.model.request.ServiceRequest;
-import edu.tamu.app.model.validation.IdeaValidator;
 import edu.tamu.weaver.validation.model.ValidatingBaseEntity;
 
 @MappedSuperclass

src/test/java/edu/tamu/app/model/FeatureProposalTest.java

@@ -13,7 +13,6 @@
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
 import org.springframework.dao.DataIntegrityViolationException;
-import org.springframework.dao.InvalidDataAccessApiUsageException;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit4.SpringRunner;