examples/embedding: Remove obsolete fatfs files from build.
examples/embedding: Remove obsolete fatfs files from build.

kerneltask/micropython,selste/micropython,adafruit/circuitpython,henriknelson/micropython,selste/micropython,trezor/micropython,trezor/micropython,tobbad/micropython,adafruit/circuitpython,pozetroninc/micropython,trezor/micropython,MrSurly/micropython,tobbad/micropython,tobbad/micropython,pozetroninc/micropython,kerneltask/micropython,tobbad/micropython,adafruit/circuitpython,pramasoul/micropython,adafruit/circuitpython,trezor/micropython,bvernoux/micropython,pramasoul/micropython,pozetroninc/micropython,kerneltask/micropython,MrSurly/micropython,henriknelson/micropython,adafruit/circuitpython,MrSurly/micropython,kerneltask/micropython,tobbad/micropython,pramasoul/micropython,selste/micropython,henriknelson/micropython,pramasoul/micropython,MrSurly/micropython,adafruit/circuitpython,bvernoux/micropython,bvernoux/micropython,bvernoux/micropython,MrSurly/micropython,bvernoux/micropython,pozetroninc/micropython,kerneltask/micropython,pozetroninc/micropython,selste/micropython,trezor/micropython,henriknelson/micropython,selste/micropython,henriknelson/micropython,pramasoul/micropython