Remove unused makefile

This may be confusing if it stays here..

teensy3/Makefile

-
-# The name of your project (used to name the compiled .hex file)
-TARGET = main
-
-# configurable options
-OPTIONS = -DF_CPU=48000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH
-
-# options needed by many Arduino libraries to configure for Teensy 3.0
-OPTIONS += -D__MK20DX128__ -DARDUIO=104
-
-
-#************************************************************************
-# Location of Teensyduino utilities, Toolchain, and Arduino Libraries.
-# To use this makefile without Arduino, copy the resources from these
-# locations and edit the pathnames.  The rest of Arduino is not needed.
-#************************************************************************
-
-# path location for Teensy Loader, teensy_post_compile and teensy_reboot
-TOOLSPATH = ../../../tools   # on Linux
-#TOOLSPATH = ../../../tools/avr/bin   # on Mac or Windows
-
-# path location for Arduino libraries (currently not used)
-LIBRARYPATH = ../../../../libraries
-
-# path location for the arm-none-eabi compiler
-COMPILERPATH = ../../../tools/arm-none-eabi/bin
-
-#************************************************************************
-# Settings below this point usually do not need to be edited
-#************************************************************************
-
-# CPPFLAGS = compiler options for C and C++
-CPPFLAGS = -Wall -g -Os -mcpu=cortex-m4 -mthumb -nostdlib -MMD $(OPTIONS) -I.
-
-# compiler options for C++ only
-CXXFLAGS = -std=gnu++0x -felide-constructors -fno-exceptions -fno-rtti
-
-# compiler options for C only
-CFLAGS =
-
-# linker options
-LDFLAGS = -Os -Wl,--gc-sections -mcpu=cortex-m4 -mthumb -Tmk20dx128.ld
-
-# additional libraries to link
-LIBS = -lm
-
-
-# names for the compiler programs
-CC = $(abspath $(COMPILERPATH))/arm-none-eabi-gcc
-CXX = $(abspath $(COMPILERPATH))/arm-none-eabi-g++
-OBJCOPY = $(abspath $(COMPILERPATH))/arm-none-eabi-objcopy
-SIZE = $(abspath $(COMPILERPATH))/arm-none-eabi-size
-
-# automatically create lists of the sources and objects
-# TODO: this does not handle Arduino libraries yet...
-C_FILES := $(wildcard *.c)
-CPP_FILES := $(wildcard *.cpp)
-OBJS := $(C_FILES:.c=.o) $(CPP_FILES:.cpp=.o)
-
-
-# the actual makefile rules (all .o files built by GNU make's default implicit rules)
-
-all: $(TARGET).hex
-
-$(TARGET).elf: $(OBJS) mk20dx128.ld
-	$(CC) $(LDFLAGS) -o $@ $(OBJS)
-
-%.hex: %.elf
-	$(SIZE) $<
-	$(OBJCOPY) -O ihex -R .eeprom $< $@
-	$(abspath $(TOOLSPATH))/teensy_post_compile -file=$(basename $@) -path=$(shell pwd) -tools=$(abspath $(TOOLSPATH))
-	-$(abspath $(TOOLSPATH))/teensy_reboot
-
-
-# compiler generated dependency info
--include $(OBJS:.o=.d)
-
-clean:
-	rm -f *.o *.d $(TARGET).elf $(TARGET).hex
-
-