extmod/vfs_fat: Add file and directory checks for remove and rmdir.
extmod/vfs_fat: Add file and directory checks for remove and rmdir.

cwyark/micropython,alex-robbins/micropython,swegener/micropython,tralamazza/micropython,pramasoul/micropython,infinnovation/micropython,kerneltask/micropython,blazewicz/micropython,hiway/micropython,selste/micropython,TDAbboud/micropython,henriknelson/micropython,jmarcelino/pycom-micropython,kerneltask/micropython,selste/micropython,SHA2017-badge/micropython-esp32,dmazzella/micropython,alex-march/micropython,hosaka/micropython,Peetz0r/micropython-esp32,kerneltask/micropython,adafruit/circuitpython,blazewicz/micropython,alex-robbins/micropython,selste/micropython,torwag/micropython,pfalcon/micropython,TDAbboud/micropython,adafruit/micropython,torwag/micropython,alex-robbins/micropython,hosaka/micropython,pramasoul/micropython,MrSurly/micropython,chrisdearman/micropython,ryannathans/micropython,hosaka/micropython,AriZuu/micropython,toolmacher/micropython,hosaka/micropython,pramasoul/micropython,toolmacher/micropython,MrSurly/micropython-esp32,lowRISC/micropython,bvernoux/micropython,blazewicz/micropython,TDAbboud/micropython,oopy/micropython,kerneltask/micropython,adafruit/micropython,HenrikSolver/micropython,mhoffma/micropython,lowRISC/micropython,PappaPeppar/micropython,Timmenem/micropython,blazewicz/micropython,trezor/micropython,bvernoux/micropython,bvernoux/micropython,MrSurly/micropython-esp32,cwyark/micropython,Peetz0r/micropython-esp32,deshipu/micropython,adafruit/circuitpython,tobbad/micropython,TDAbboud/micropython,puuu/micropython,deshipu/micropython,matthewelse/micropython,lowRISC/micropython,alex-robbins/micropython,torwag/micropython,tralamazza/micropython,mhoffma/micropython,alex-march/micropython,tralamazza/micropython,mhoffma/micropython,PappaPeppar/micropython,ryannathans/micropython,tobbad/micropython,adafruit/circuitpython,ryannathans/micropython,chrisdearman/micropython,micropython/micropython-esp32,chrisdearman/micropython,pfalcon/micropython,PappaPeppar/micropython,henriknelson/micropython,dmazzella/micropython,oopy/micropython,infinnovation/micropython,matthewelse/micropython,adafruit/circuitpython,matthewelse/micropython,adafruit/circuitpython,oopy/micropython,MrSurly/micropython,kerneltask/micropython,dmazzella/micropython,toolmacher/micropython,tobbad/micropython,alex-march/micropython,ryannathans/micropython,tuc-osg/micropython,tuc-osg/micropython,Timmenem/micropython,jmarcelino/pycom-micropython,swegener/micropython,henriknelson/micropython,lowRISC/micropython,matthewelse/micropython,hiway/micropython,alex-march/micropython,MrSurly/micropython,pozetroninc/micropython,swegener/micropython,AriZuu/micropython,swegener/micropython,swegener/micropython,puuu/micropython,SHA2017-badge/micropython-esp32,cwyark/micropython,MrSurly/micropython,ryannathans/micropython,MrSurly/micropython-esp32,pfalcon/micropython,chrisdearman/micropython,Peetz0r/micropython-esp32,torwag/micropython,jmarcelino/pycom-micropython,toolmacher/micropython,SHA2017-badge/micropython-esp32,dmazzella/micropython,pfalcon/micropython,pramasoul/micropython,dxxb/micropython,infinnovation/micropython,alex-march/micropython,henriknelson/micropython,adafruit/micropython,trezor/micropython,alex-robbins/micropython,HenrikSolver/micropython,hosaka/micropython,dxxb/micropython,AriZuu/micropython,Timmenem/micropython,infinnovation/micropython,mhoffma/micropython,SHA2017-badge/micropython-esp32,PappaPeppar/micropython,puuu/micropython,tobbad/micropython,AriZuu/micropython,micropython/micropython-esp32,dxxb/micropython,Timmenem/micropython,trezor/micropython,micropython/micropython-esp32,torwag/micropython,dxxb/micropython,pozetroninc/micropython,dxxb/micropython,jmarcelino/pycom-micropython,MrSurly/micropython-esp32,Timmenem/micropython,tuc-osg/micropython,pozetroninc/micropython,bvernoux/micropython,selste/micropython,bvernoux/micropython,hiway/micropython,cwyark/micropython,cwyark/micropython,infinnovation/micropython,pramasoul/micropython,tobbad/micropython,pfalcon/micropython,HenrikSolver/micropython,HenrikSolver/micropython,HenrikSolver/micropython,puuu/micropython,SHA2017-badge/micropython-esp32,MrSurly/micropython-esp32,micropython/micropython-esp32,tuc-osg/micropython,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,deshipu/micropython,hiway/micropython,matthewelse/micropython,henriknelson/micropython,pozetroninc/micropython,adafruit/circuitpython,toolmacher/micropython,tralamazza/micropython,blazewicz/micropython,puuu/micropython,oopy/micropython,adafruit/micropython,PappaPeppar/micropython,jmarcelino/pycom-micropython,deshipu/micropython,selste/micropython,matthewelse/micropython,hiway/micropython,trezor/micropython,AriZuu/micropython,mhoffma/micropython,chrisdearman/micropython,tuc-osg/micropython,oopy/micropython,pozetroninc/micropython,MrSurly/micropython,micropython/micropython-esp32,TDAbboud/micropython,trezor/micropython,deshipu/micropython,adafruit/micropython,lowRISC/micropython