Update SUMMARY.md

gadilashashank · web-flow · commit 00cfbb9c9786 · 2018-07-09T11:00:00.000+05:30
diff --git a/book/SUMMARY.md b/book/SUMMARY.md
@@ -69,8 +69,6 @@
 
   * [Conclusion](languages/erlang/conclusion.md)
 
-
-
 * [JavaScript](languages/js/README.md)
 
   * [Introduction](languages/js/intro.md)
