Remove invalid symlink

Symlink was always pointing to /home/mininet/...
assuming this file is not required to run hazelcast.

Change-Id: Ia53e7d6bde76a12c839b60c43d9558c1e03ca619
diff --git a/src/main/resources/hazelcast.xml b/src/main/resources/hazelcast.xml
deleted file mode 120000
index f8f4972..0000000
--- a/src/main/resources/hazelcast.xml
+++ /dev/null
@@ -1 +0,0 @@
-/home/mininet/ONOS/conf/hazelcast.xml
\ No newline at end of file