Port #19452 to v3
Port #19452 to v3

Wall of Browser Bugs: Stop mentioning IE11

Sounds like IE11 isn't getting non-critical fixes anymore, so there's no point in mentioning it (just like there's no point in mentioning IE10).
Help us, Edge-Wan Kenobi! You're our only hope.
[ci skip]

maxbeatty/bootstrap,oldhawkcn/bootstrap,nanuclickity/bootstrap,mosoft521/bootstrap,FernandezR/bootstrap,KM-MFG/bootstrap,panvagil/bootstrap,hiersekornc/bootstrap,Softdocs/bootstrap,stone2310/bootstrap,bo01ean/bootstrap,seoulstore/ssss,RanHoNg/bootstrap,michael-brade/bootstrap,twbs-savage/bootstrap,CapeSepias/bootstrap,gencer/bootstrap,mdo/bootstrap,monoblaine/bootstrap,OneZenD/gr8alpha,zacechola/bootstrap,antonaavik/bootstrap,OneZenD/gr8alpha,FernandezR/bootstrap,292388900/bootstrap-1,monoblaine/bootstrap,hiersekornc/bootstrap,zacechola/bootstrap,LuoSpark/bootstrap,Perkville/bootstrap,df2k2/bootstrap,CapeSepias/bootstrap,hbrls/bootstrap,michael-brade/bootstrap,slackero/bootstrap,LimetecBiotechnologies/bootstrap,Softdocs/bootstrap,LimetecBiotechnologies/bootstrap,Microtrends/bootstrap,OneZenD/gr8alpha,LuoSpark/bootstrap,aoimedia/bootstrap,maxbeatty/bootstrap,LuoSpark/bootstrap,Hightrack/bootstrap,mosoft521/bootstrap,jmknoll/bootstrap,monoblaine/bootstrap,aungcvt/bootstrap,slackero/bootstrap,aungcvt/bootstrap,hiersekornc/bootstrap,stone2310/bootstrap,WangJie2/bootstrap,Jazzo/bootstrap,df2k2/bootstrap,gencer/bootstrap,k8e/bootstrap-web1.5,CapeSepias/bootstrap,thongredweb/bootstrap,GerHobbelt/bootstrap,WangJie2/bootstrap,scjang/ssss,aungcvt/bootstrap,patrickhlauke/bootstrap,JobsUnited/bootstrap,k8e/bootstrap-web1.5,scjang/ssss,hbrls/bootstrap,FernandezR/bootstrap,aungcvt/bootstrap,jmknoll/bootstrap,antonaavik/bootstrap,patrickhlauke/bootstrap,ralic/bootstrap,hiersekornc/bootstrap,RanHoNg/bootstrap,the-open-university/ouice-bootstrap,FernandezR/bootstrap,seoulstore/ssss,LimetecBiotechnologies/bootstrap,justincron/bootstrap,slackero/bootstrap,patrickhlauke/bootstrap,justincron/bootstrap,Hightrack/bootstrap,algolia/bootstrap,zacechola/bootstrap,bkrukowski/bootstrap,scjang/ssss,twbs-savage/bootstrap,hbrls/bootstrap,WangJie2/bootstrap,thongredweb/bootstrap,maxbeatty/bootstrap,justincron/bootstrap,RanHoNg/bootstrap,Perkville/bootstrap,Microtrends/bootstrap,bo01ean/bootstrap,hbrls/bootstrap,OneZenD/gr8alpha,jmknoll/bootstrap,ralic/bootstrap,mdo/bootstrap,panvagil/bootstrap,oldhawkcn/bootstrap,devsong/bootstrap,thongredweb/bootstrap,justincron/bootstrap,oldhawkcn/bootstrap,nanuclickity/bootstrap,gencer/bootstrap,df2k2/bootstrap,michael-brade/bootstrap,Softdocs/bootstrap,twbs-savage/bootstrap,k8e/bootstrap-web1.5,panvagil/bootstrap,the-open-university/ouice-bootstrap,Microtrends/bootstrap,GerHobbelt/bootstrap,stone2310/bootstrap,aoimedia/bootstrap,seoulstore/ssss,KM-MFG/bootstrap,devsong/bootstrap,JobsUnited/bootstrap,nanuclickity/bootstrap,ralic/bootstrap,KM-MFG/bootstrap,scjang/ssss,bo01ean/bootstrap,292388900/bootstrap-1,GerHobbelt/bootstrap,algolia/bootstrap,mdo/bootstrap,the-open-university/ouice-bootstrap,df2k2/bootstrap,JobsUnited/bootstrap,Jazzo/bootstrap,antonaavik/bootstrap,seoulstore/ssss,algolia/bootstrap,Jazzo/bootstrap,antonaavik/bootstrap,aoimedia/bootstrap,jmknoll/bootstrap,devsong/bootstrap,bkrukowski/bootstrap,Hightrack/bootstrap,mosoft521/bootstrap