Remove slack notification from test-salt-model-node

Change-Id: I0e9c3861d4e32fc8d1b6d667d193089cda8e15d3
diff --git a/test-salt-model-node.groovy b/test-salt-model-node.groovy
index 7c63e90..53f5e75 100644
--- a/test-salt-model-node.groovy
+++ b/test-salt-model-node.groovy
@@ -58,7 +58,5 @@
      // If there was an error or exception thrown, the build failed
      currentBuild.result = "FAILURE"
      throw e
-  } finally {
-     common.sendNotification(currentBuild.result,"",["slack"])
   }
 }