Remove mapdb dependency from core api pom

Change-Id: Idab32efc1c2f627949a8476bbbcc910323e6f8ff
diff --git a/core/api/pom.xml b/core/api/pom.xml
index c01ebf1..23a051c 100644
--- a/core/api/pom.xml
+++ b/core/api/pom.xml
@@ -63,11 +63,6 @@
             <artifactId>onlab-rest</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.mapdb</groupId>
-            <artifactId>mapdb</artifactId>
-            <version>1.0.8</version>
-        </dependency>
     </dependencies>
 
 </project>