README: Remove issue-stats badges, the service is no longer available.
README: Remove issue-stats badges, the service is no longer available.

The issue-stats service is not well maintained and likely the situation
won't improve in the future.  See:
https://github.com/hstove/issue_stats/issues/41
https://github.com/hstove/issue_stats/issues/46

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