xinitrc: Remove xinitrc

I don't use xinit anymore; may as well

.xinitrc

@@ -1,35 +0,0 @@
-#!/bin/sh
-
-userresources=$HOME/.Xresources
-usermodmap=$HOME/.Xmodmap
-sysresources=/etc/X11/xinit/.Xresources
-sysmodmap=/etc/X11/xinit/.Xmodmap
-
-# merge in defaults and keymaps
-
-if [ -f $sysresources ]; then
-    xrdb -merge $sysresources
-fi
-
-if [ -f $sysmodmap ]; then
-    xmodmap $sysmodmap
-fi
-
-if [ -f "$userresources" ]; then
-    xrdb -merge "$userresources"
-fi
-
-if [ -f "$usermodmap" ]; then
-    xmodmap "$usermodmap"
-fi
-
-# start some nice programs
-
-if [ -d /etc/X11/xinit/xinitrc.d ] ; then
- for f in /etc/X11/xinit/xinitrc.d/?*.sh ; do
-  [ -x "$f" ] && . "$f"
- done
- unset f
-fi
-
-i3