[emacs] remove slack and most of its deps

[~bandali/configs] / lib / emojify

diff --git a/lib/emojify b/lib/emojify
deleted file mode 160000 (submodule)
index 38ae28d..0000000
--- a/lib/emojify
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 38ae28d95b58e9fb86a3495a2dda3e5de254c4fc