remove unused import

Author: jdubois

src/test/java/org/springframework/samples/petclinic/service/ClinicServiceTests.java

@@ -37,7 +37,6 @@
 import org.springframework.samples.petclinic.vet.Vet;
 import org.springframework.samples.petclinic.vet.VetRepository;
 import org.springframework.stereotype.Service;
-import org.springframework.test.context.TestPropertySource;
 import org.springframework.transaction.annotation.Transactional;
 
 /**