Migrate weston.service

- Move the service description file out of build/, it will now live with
the debian metadata in packages/weston-imx

Change-Id: I6252c7b2dbbb2b4ae397bc1556ad0d79b4817d92
diff --git a/weston.service b/weston.service
deleted file mode 100644
index ba222e5..0000000
--- a/weston.service
+++ /dev/null
@@ -1,38 +0,0 @@
-[Unit]
-Description=Weston Wayland Compositor (on tty7)
-RequiresMountsFor=/run
-Conflicts=getty@tty7.service plymouth-quit.service
-After=systemd-user-sessions.service getty@tty7.service plymouth-quit-wait.service
-
-[Service]
-User=root
-PermissionsStartOnly=true
-
-# Log us in via PAM so we get our XDG & co. environment and
-# are treated as logged in so we can use the tty:
-PAMName=login
-
-# Grab tty7
-UtmpIdentifier=tty7
-TTYPath=/dev/tty7
-TTYReset=yes
-TTYVHangup=yes
-TTYVTDisallocate=yes
-
-# stderr to journal so our logging doesn't get thrown into /dev/null
-StandardOutput=tty
-StandardInput=tty
-StandardError=journal
-
-EnvironmentFile=-/etc/default/weston
-
-# Weston does not successfully change VT, nor does systemd place us on
-# the VT it just activated for us. Switch manually:
-ExecStartPre=/bin/chvt 7
-ExecStart=/usr/bin/weston-launch -- --log=/var/log/weston.log --xwayland $OPTARGS
-
-IgnoreSIGPIPE=no
-
-[Install]
-WantedBy=multi-user.target
-