Massive update!

[dotemacs] / packages / shackle

diff --git a/packages/shackle b/packages/shackle
deleted file mode 160000 (submodule)
index 1c88d2a..0000000
--- a/packages/shackle
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1c88d2a2fdd2efb3e990da69d6fedeaee5ff71a2