Remove duplicate entry

Author: josh-wong

versioned_sidebars/version-3.8-sidebars.json

@@ -41,7 +41,6 @@
         "getting-started-auditor",
         "data-modeling",
         "how-to-write-applications",
-        "how-to-write-applications",
         "configurations",
         "schema-loader",
         "ca/caclient-getting-started",