diff --git a/plugins/issue_charts b/plugins/issue_charts
deleted file mode 160000
index c11a3e18b21990729eac80f7cfafd875e3934b37..0000000000000000000000000000000000000000
--- a/plugins/issue_charts
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c11a3e18b21990729eac80f7cfafd875e3934b37