[emacs] remove slack and most of its deps

[~bandali/configs] / lib / circe

diff --git a/lib/circe b/lib/circe
deleted file mode 160000 (submodule)
index fedfa7e..0000000
--- a/lib/circe
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit fedfa7eb8516a53fa70b6a1f4fce4b5ab66ea91f