removed unused imports

Author: mtiessler

src/main/java/upc/edu/gessi/repo/AppGraphRepoApplication.java

@@ -1,7 +1,5 @@
 package upc.edu.gessi.repo;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;