usbuart: Removed the TM4C version of usbuart.c as it's now not required

src/platforms/launchpad-icdi/Makefile.inc

@@ -16,7 +16,6 @@ LDFLAGS = -nostartfiles -lc $(CPU_FLAGS) -nodefaultlibs -T$(LINKER_SCRIPT) -Wl,-
 VPATH += platforms/tm4c
 
 SRC +=          \
-	usbuart.c	\
 	timing.c        \
 	traceswo.o
 

src/platforms/tm4c/usbuart.c

@@ -1,30 +0,0 @@
-/*
- * This file is part of the Black Magic Debug project.
- *
- * Copyright (C) 2012  Black Sphere Technologies Ltd.
- * Written by Gareth McMullin <gareth@blacksphere.co.nz>
- *
- * Copyright (C) 2014 Fredrik Ahlberg <fredrik@z80.se>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <libopencm3/cm3/nvic.h>
-#include <libopencm3/cm3/scs.h>
-#include <libopencm3/usb/usbd.h>
-#include <libopencm3/usb/cdc.h>
-#include <libopencm3/lm4f/uart.h>
-
-#include "general.h"
-#include "usb.h"