Removed unused import due to checkstyle issue

Author: milanmajchrak

dspace-server-webapp/src/test/java/org/dspace/app/rest/BitstreamRestControllerIT.java

@@ -83,7 +83,6 @@
 import org.dspace.storage.bitstore.factory.StorageServiceFactory;
 import org.junit.Before;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.mockito.Mockito;
 import org.springframework.beans.factory.annotation.Autowired;