Revert "disable debug on Serial.end() if debug on this interface."
Revert "disable debug on Serial.end() if debug on this interface."

This reverts commit 28a868d6dd5e6e92fac5998f53dcd2256e9292f7.

sticilface/Arduino,esp8266/Arduino,NullMedia/Arduino,esp8266/Arduino,jes/Arduino,martinayotte/ESP8266-Arduino,martinayotte/ESP8266-Arduino,wemos/Arduino,wemos/Arduino,toastedcode/esp8266-Arduino,chrisfraser/Arduino,NextDevBoard/Arduino,NextDevBoard/Arduino,Links2004/Arduino,NullMedia/Arduino,lrmoreno007/Arduino,chrisfraser/Arduino,NextDevBoard/Arduino,CanTireInnovations/Arduino,Cloudino/Cloudino-Arduino-IDE,Lan-Hekary/Arduino,chrisfraser/Arduino,Cloudino/Arduino,sticilface/Arduino,me-no-dev/Arduino,wemos/Arduino,hallard/Arduino,Links2004/Arduino,wemos/Arduino,Links2004/Arduino,toastedcode/esp8266-Arduino,chrisfraser/Arduino,lrmoreno007/Arduino,edog1973/Arduino,edog1973/Arduino,gguuss/Arduino,NullMedia/Arduino,hallard/Arduino,Juppit/Arduino,quertenmont/Arduino,gguuss/Arduino,Adam5Wu/Arduino,KaloNK/Arduino,Cloudino/Arduino,CanTireInnovations/Arduino,lrmoreno007/Arduino,me-no-dev/Arduino,quertenmont/Arduino,Cloudino/Arduino,toastedcode/esp8266-Arduino,Lan-Hekary/Arduino,CanTireInnovations/Arduino,hallard/Arduino,CanTireInnovations/Arduino,edog1973/Arduino,me-no-dev/Arduino,Cloudino/Cloudino-Arduino-IDE,jes/Arduino,NextDevBoard/Arduino,Juppit/Arduino,Cloudino/Cloudino-Arduino-IDE,Cloudino/Arduino,quertenmont/Arduino,lrmoreno007/Arduino,hallard/Arduino,toastedcode/esp8266-Arduino,wemos/Arduino,CanTireInnovations/Arduino,martinayotte/ESP8266-Arduino,hallard/Arduino,Cloudino/Arduino,Cloudino/Cloudino-Arduino-IDE,me-no-dev/Arduino,Juppit/Arduino,quertenmont/Arduino,sticilface/Arduino,Lan-Hekary/Arduino,NullMedia/Arduino,Cloudino/Arduino,Links2004/Arduino,jes/Arduino,CanTireInnovations/Arduino,Adam5Wu/Arduino,NextDevBoard/Arduino,edog1973/Arduino,gguuss/Arduino,sticilface/Arduino,martinayotte/ESP8266-Arduino,Adam5Wu/Arduino,Cloudino/Cloudino-Arduino-IDE,Juppit/Arduino,Juppit/Arduino,Adam5Wu/Arduino,Lan-Hekary/Arduino,jes/Arduino,CanTireInnovations/Arduino,Lan-Hekary/Arduino,gguuss/Arduino,KaloNK/Arduino,jes/Arduino,Links2004/Arduino,esp8266/Arduino,KaloNK/Arduino,lrmoreno007/Arduino,KaloNK/Arduino,me-no-dev/Arduino,Cloudino/Cloudino-Arduino-IDE,edog1973/Arduino,Adam5Wu/Arduino,esp8266/Arduino,KaloNK/Arduino,chrisfraser/Arduino,gguuss/Arduino,martinayotte/ESP8266-Arduino,quertenmont/Arduino,Cloudino/Cloudino-Arduino-IDE,sticilface/Arduino,toastedcode/esp8266-Arduino,esp8266/Arduino,NullMedia/Arduino,Cloudino/Arduino