.gitattributes: Remove obsolete entries for stmhal/hal, stmhal/cmsis.
.gitattributes: Remove obsolete entries for stmhal/hal, stmhal/cmsis.

micropython/micropython-esp32,adafruit/micropython,swegener/micropython,AriZuu/micropython,selste/micropython,trezor/micropython,infinnovation/micropython,oopy/micropython,pfalcon/micropython,MrSurly/micropython-esp32,oopy/micropython,henriknelson/micropython,bvernoux/micropython,ryannathans/micropython,swegener/micropython,trezor/micropython,henriknelson/micropython,pramasoul/micropython,tralamazza/micropython,torwag/micropython,pfalcon/micropython,AriZuu/micropython,trezor/micropython,ryannathans/micropython,swegener/micropython,blazewicz/micropython,infinnovation/micropython,adafruit/circuitpython,tobbad/micropython,torwag/micropython,AriZuu/micropython,henriknelson/micropython,pozetroninc/micropython,lowRISC/micropython,kerneltask/micropython,AriZuu/micropython,kerneltask/micropython,kerneltask/micropython,oopy/micropython,MrSurly/micropython,MrSurly/micropython,micropython/micropython-esp32,dmazzella/micropython,henriknelson/micropython,blazewicz/micropython,tobbad/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,tobbad/micropython,micropython/micropython-esp32,MrSurly/micropython-esp32,tralamazza/micropython,selste/micropython,pramasoul/micropython,Timmenem/micropython,pozetroninc/micropython,pramasoul/micropython,torwag/micropython,trezor/micropython,adafruit/micropython,pozetroninc/micropython,adafruit/micropython,bvernoux/micropython,MrSurly/micropython,adafruit/micropython,kerneltask/micropython,torwag/micropython,blazewicz/micropython,pramasoul/micropython,MrSurly/micropython,oopy/micropython,pfalcon/micropython,ryannathans/micropython,swegener/micropython,tralamazza/micropython,blazewicz/micropython,bvernoux/micropython,pfalcon/micropython,pramasoul/micropython,MrSurly/micropython,oopy/micropython,Timmenem/micropython,tobbad/micropython,pozetroninc/micropython,adafruit/micropython,ryannathans/micropython,torwag/micropython,tralamazza/micropython,dmazzella/micropython,adafruit/circuitpython,adafruit/circuitpython,infinnovation/micropython,dmazzella/micropython,MrSurly/micropython-esp32,tobbad/micropython,AriZuu/micropython,MrSurly/micropython-esp32,bvernoux/micropython,Timmenem/micropython,selste/micropython,henriknelson/micropython,blazewicz/micropython,lowRISC/micropython,micropython/micropython-esp32,Timmenem/micropython,lowRISC/micropython,MrSurly/micropython-esp32,pozetroninc/micropython,micropython/micropython-esp32,lowRISC/micropython,swegener/micropython,selste/micropython,pfalcon/micropython,selste/micropython,ryannathans/micropython,dmazzella/micropython,infinnovation/micropython,trezor/micropython,lowRISC/micropython,bvernoux/micropython,infinnovation/micropython,Timmenem/micropython,kerneltask/micropython