cfg: remove duplicate Olimex ARM-USB-OCD config

This file is already included as olimex-arm-usb-ocd.cfg.

Change-Id: I0e66977c58e74ac93a0dc3a0c88a5e5af4992f8b
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/780


Tested-by: jenkins
Reviewed-by: Peter Stuge <peter@stuge.se>

tcl/interface/arm-usb-ocd.cfg

-#
-# Olimex ARM-USB-OCD
-#
-# http://www.olimex.com/dev/arm-usb-ocd.html
-#
-
-interface ft2232
-ft2232_device_desc "Olimex OpenOCD JTAG"
-ft2232_layout "olimex-jtag"
-ft2232_vid_pid 0x15BA 0x0003
-