Revert "beautiful: init default theme by default" and "awesomerc: stop handling beautiful"

This reverts commit 42c47eecce.
This reverts commit 4823a12541.

Signed-off-by: Julien Danjou <julien@danjou.info>

awesomerc.lua.in

@@ -8,6 +8,9 @@ require("beautiful")
 require("naughty")
 
 -- {{{ Variable definitions
+-- Themes define colours, icons, and wallpapers
+beautiful.init("@AWESOME_THEMES_PATH@/default/theme.lua")
+
 -- This is used later as the default terminal and editor to run.
 terminal = "xterm"
 editor = os.getenv("EDITOR") or "nano"

lib/beautiful.lua.in

@@ -73,7 +73,4 @@ end
 
 setmetatable(_M, { __index = function(t, k) return theme[k] end })
 
--- Init with default theme.
-init("@AWESOME_THEMES_PATH@/default/theme.lua")
-
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80