Replace submodule with direct copy of one.el fork for Docker compatibility

one.el/docker/build.el

@@ -0,0 +1,8 @@
+(progn
+  (require 'package)
+  (add-to-list 'package-archives
+	       '("melpa" . "https://melpa.org/packages/") t)
+  (package-initialize)
+  (package-refresh-contents)
+  (package-install 'one)
+  (one-build))