Remove `Base.handle*Replace()`
Remove `Base.handle*Replace()`

These methods dealt with opening up a sketch inside an existing editor
window, but they were unused - all sketches open in a new window now.

bsmr-arduino/Arduino,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,majenkotech/Arduino,majenkotech/Arduino,bsmr-arduino/Arduino,nandojve/Arduino,bsmr-arduino/Arduino,me-no-dev/Arduino-1,Chris--A/Arduino,nandojve/Arduino,PaoloP74/Arduino,majenkotech/Arduino,majenkotech/Arduino,Chris--A/Arduino,PaoloP74/Arduino,PaoloP74/Arduino,bsmr-arduino/Arduino,me-no-dev/Arduino-1,PaoloP74/Arduino,majenkotech/Arduino,nandojve/Arduino,me-no-dev/Arduino-1,stickbreaker/Arduino,nandojve/Arduino,PaoloP74/Arduino,stickbreaker/Arduino,Chris--A/Arduino,stickbreaker/Arduino,stickbreaker/Arduino,bsmr-arduino/Arduino,majenkotech/Arduino,nandojve/Arduino,Chris--A/Arduino,Chris--A/Arduino,stickbreaker/Arduino,me-no-dev/Arduino-1,PaoloP74/Arduino,me-no-dev/Arduino-1,bsmr-arduino/Arduino,Chris--A/Arduino,Chris--A/Arduino,bsmr-arduino/Arduino,majenkotech/Arduino,bsmr-arduino/Arduino,stickbreaker/Arduino,nandojve/Arduino,nandojve/Arduino,Chris--A/Arduino,PaoloP74/Arduino,nandojve/Arduino,PaoloP74/Arduino,stickbreaker/Arduino