infra: Clean up project setup

diff --git a/setup b/setup
deleted file mode 100755 (executable)
index e093ee9..0000000
--- a/setup
+++ /dev/null
@@ -1,9 +0,0 @@
-#! /bin/sh
-
-set -e
-mklinks
-mkaclocal
-autoheader
-autoconf
-automake -a
-mkdir -p build