[merge addon] Don't try to remove line class on lines that aren't in doc anymore
[merge addon] Don't try to remove line class on lines that aren't in doc anymore

Issue #2438

rrandom/CodeMirror,manderson23/CodeMirror,webida/CodeMirror,karevn/CodeMirror,kerabromsmu/CodeMirror,mtaran-google/CodeMirror,qiankun007/CodeMirror,melpon/CodeMirror,cben/CodeMirror,morrisonwudi/CodeMirror,Aliccer/CodeMirror,skylarkcob/CodeMirror,namin/CodeMirror,wbinnssmith/CodeMirror,symbla/CodeMirror,pabloferz/CodeMirror,schanzer/CodeMirror,pinbe/CodeMirror,michaelerobertsjr/CodeMirror,Jisuanke/CodeMirror,ksanaforge/CodeMirror,symbla/CodeMirror,ThebingServices/CodeMirror,d0liver/CodeMirror,codio/CodeMirror,EasonYi/CodeMirror,abdelouahabb/CodeMirror,sanyaade-iot/CodeMirror,dperetti/CodeMirror,camellhf/CodeMirror,codio/CodeMirror,xeronith/CodeMirror,d0liver/CodeMirror,philuchansky/CodeMirror,ssxxue/CodeMirror,dudb/CodeMirror,axter/CodeMirror,pabloferz/CodeMirror,TDaglis/CodeMirror,shiren/CodeMirror,ejgallego/CodeMirror,d0liver/CodeMirror,MarcelGerber/CodeMirror,jessegrosjean/CodeMirror,kangkot/CodeMirror,ficristo/CodeMirror,mightyguava/CodeMirror,adobe/CodeMirror2,bocharsky-bw/CodeMirror,rasata/CodeMirror,NeZaMy/CodeMirror2,sanyaade-iot/CodeMirror,TechnicalPursuit/CodeMirror,fmoliveira/CodeMirror,skylarkcob/CodeMirror,flyskyko/CodeMirror,adobe/CodeMirror2,dbarnett/CodeMirror,ssxxue/CodeMirror,NumbersInternational/CodeMirror,camellhf/CodeMirror,nightwing/CodeMirror,buchslava/CodeMirror,InternetGuru/CodeMirror,ssxxue/CodeMirror,r7kamura/CodeMirror,GerHobbelt/CodeMirror2,pjkui/CodeMirror,dbarnett/CodeMirror,dperetti/CodeMirror,supriyantomaftuh/CodeMirror,notepadqq/CodeMirror,AlanWasTaken/codemirror,KamranMackey/CodeMirror,dudb/CodeMirror,abdelouahabb/CodeMirror,Jisuanke/CodeMirror,bfrohs/CodeMirror,cben/CodeMirror,jpolitz/CodeMirror,crazy4chrissi/CodeMirror,mihailik/CodeMirror,INTELOGIE/CodeMirror,wingify/CodeMirror,jkaplon/CodeMirror,trumanliu/CodeMirror,grzegorzmazur/CodeMirror,hackmdio/CodeMirror,ejgallego/CodeMirror,codio/CodeMirror,loopspace/CodeMirror,jkaplon/CodeMirror,nawroth/CodeMirror,jayaprabhakar/CodeMirror,bfrohs/CodeMirror,skylarkcob/CodeMirror,TDaglis/CodeMirror,rasata/CodeMirror,GerHobbelt/CodeMirror2,webida/CodeMirror,grzegorzmazur/CodeMirror,jkaplon/CodeMirror,sgoo/CodeMirror,morrisonwudi/CodeMirror,INTELOGIE/CodeMirror,kuangyeheng/CodeMirror,shiren/CodeMirror,Navaneethsen/CodeMirror,ksanaforge/CodeMirror,symbla/CodeMirror,loopspace/CodeMirror,belph/CodeMirror,nawroth/CodeMirror,ZombieHippie/CodeMirror,kevinushey/CodeMirror,cintiamh/CodeMirror,hccampos/CodeMirror,elisee/CodeMirror,elisee/CodeMirror,antimatter15/CodeMirror,mightyguava/CodeMirror,tpphu/CodeMirror,pinbe/CodeMirror,fmoliveira/CodeMirror,davidpham87/CodeMirror,Dominator008/CodeMirror,michaelerobertsjr/CodeMirror,DustinH/CodeMirror,apatawari/CodeMirror,gkoberger/CodeMirror,DustinH/CodeMirror,jessegrosjean/CodeMirror,Allenice/CodeMirror,kerabromsmu/CodeMirror,gkoberger/CodeMirror,agendor/CodeMirror,Navaneethsen/CodeMirror,karthikeyansam/CodeMirror,kuangyeheng/CodeMirror,sekcheong/CodeMirror,agendor/CodeMirror,Ermlab/CodeMirror,bluesh55/CodeMirror,schanzer/CodeMirror,kuangyeheng/CodeMirror,rasata/CodeMirror,xeronith/CodeMirror,melpon/CodeMirror,Jisuanke/CodeMirror,pabloferz/CodeMirror,hccampos/CodeMirror,SidPresse/CodeMirror,abdelouahabb/CodeMirror,antimatter15/CodeMirror,r7kamura/CodeMirror,mizchi/CodeMirror,buchslava/CodeMirror,MarcelGerber/CodeMirror,alur/CodeMirror,anthonygego/CodeMirror,dudb/CodeMirror,NeZaMy/CodeMirror2,sgoo/CodeMirror,mightyguava/CodeMirror,djadmin/CodeMirror,bgrins/CodeMirror,namin/CodeMirror,jayaprabhakar/CodeMirror,buchslava/CodeMirror,mtaran-google/CodeMirror,karthikeyansam/CodeMirror,ZombieHippie/CodeMirror,hackmdio/CodeMirror,vanloswang/CodeMirror,thomasjm/CodeMirror,supriyantomaftuh/CodeMirror,schanzer/CodeMirror,pjkui/CodeMirror,qweasd1/CodeMirror,ashmind/CodeMirror,sekcheong/CodeMirror,wingify/CodeMirror,rustemferreira/CodeMirror,ashmind/CodeMirror,Icenium/CodeMirror,ficristo/CodeMirror,camellhf/CodeMirror,kk9599/CodeMirror,AlanWasTaken/codemirror,davidpham87/CodeMirror,elisee/CodeMirror,increpare/CodeMirror,Allenice/CodeMirror,bgrins/CodeMirror,sanyaade-iot/CodeMirror,rrandom/CodeMirror,jayaprabhakar/CodeMirror,dperetti/CodeMirror,ficristo/CodeMirror,kerabromsmu/CodeMirror,manderson23/CodeMirror,matthewbauer/CodeMirror,vanloswang/CodeMirror,karevn/CodeMirror,dbarnett/CodeMirror,gkoberger/CodeMirror,loopspace/CodeMirror,apatawari/CodeMirror,joshterrell805-historic/CodeMirror,djadmin/CodeMirror,flyskyko/CodeMirror,kangkot/CodeMirror,nightwing/CodeMirror,manderson23/CodeMirror,ThebingServices/CodeMirror,isdampe/CodeMirror,webida/CodeMirror,systay/CodeMirror,apatawari/CodeMirror,rrandom/CodeMirror,thomasjm/CodeMirror,thomasjm/CodeMirror,mihailik/CodeMirror,TDaglis/CodeMirror,TechnicalPursuit/CodeMirror,belph/CodeMirror,crazy4chrissi/CodeMirror,amshali/CodeMirror,xeronith/CodeMirror,Aliccer/CodeMirror,sourcelair/CodeMirror,kk9599/CodeMirror,matthewbauer/CodeMirror,wbinnssmith/CodeMirror,ZombieHippie/CodeMirror,ashmind/CodeMirror,notepadqq/CodeMirror,increpare/CodeMirror,qweasd1/CodeMirror,Dominator008/CodeMirror,trumanliu/CodeMirror,belph/CodeMirror,axter/CodeMirror,KamranMackey/CodeMirror,melpon/CodeMirror,vincentwoo/CodeMirror,bluesh55/CodeMirror,Dominator008/CodeMirror,NumbersInternational/CodeMirror,vanloswang/CodeMirror,alur/CodeMirror,shiren/CodeMirror,karevn/CodeMirror,flyskyko/CodeMirror,bluesh55/CodeMirror,happibum/CodeMirror-main,vincentwoo/CodeMirror,isdampe/CodeMirror,namin/CodeMirror,r7kamura/CodeMirror,bocharsky-bw/CodeMirror,joshterrell805-historic/CodeMirror,SidPresse/CodeMirror,djadmin/CodeMirror,amshali/CodeMirror,qweasd1/CodeMirror,Ermlab/CodeMirror,bgrins/CodeMirror,isdampe/CodeMirror,amshali/CodeMirror,systay/CodeMirror,InternetGuru/CodeMirror,sourcelair/CodeMirror,MarcelGerber/CodeMirror,adobe/CodeMirror2,alur/CodeMirror,notepadqq/CodeMirror,morrisonwudi/CodeMirror,axter/CodeMirror,nightwing/CodeMirror,anthonygego/CodeMirror,jpolitz/CodeMirror,EasonYi/CodeMirror,Aliccer/CodeMirror,NeZaMy/CodeMirror2,antimatter15/CodeMirror,cintiamh/CodeMirror,kk9599/CodeMirror,supriyantomaftuh/CodeMirror,rustemferreira/CodeMirror,happibum/CodeMirror-main,sourcelair/CodeMirror,rustemferreira/CodeMirror,NumbersInternational/CodeMirror,Allenice/CodeMirror,crazy4chrissi/CodeMirror,jpolitz/CodeMirror,jessegrosjean/CodeMirror,agendor/CodeMirror,SidPresse/CodeMirror,kevinushey/CodeMirror,EasonYi/CodeMirror,TechnicalPursuit/CodeMirror,hccampos/CodeMirror,Navaneethsen/CodeMirror,InternetGuru/CodeMirror,increpare/CodeMirror,fivetran/CodeMirror,AlanWasTaken/codemirror,tpphu/CodeMirror,sekcheong/CodeMirror,kangkot/CodeMirror,tpphu/CodeMirror,matthewbauer/CodeMirror,mizchi/CodeMirror,pinbe/CodeMirror,wingify/CodeMirror,philuchansky/CodeMirror,fmoliveira/CodeMirror,fivetran/CodeMirror,webida/CodeMirror,KamranMackey/CodeMirror,hackmdio/CodeMirror,mtaran-google/CodeMirror,nawroth/CodeMirror,pjkui/CodeMirror,ksanaforge/CodeMirror,qiankun007/CodeMirror,philuchansky/CodeMirror,DustinH/CodeMirror,ejgallego/CodeMirror,vincentwoo/CodeMirror,qiankun007/CodeMirror,ThebingServices/CodeMirror,trumanliu/CodeMirror,karthikeyansam/CodeMirror,bfrohs/CodeMirror,cintiamh/CodeMirror,mihailik/CodeMirror,Icenium/CodeMirror,michaelerobertsjr/CodeMirror,systay/CodeMirror,happibum/CodeMirror-main,davidpham87/CodeMirror,mizchi/CodeMirror,grzegorzmazur/CodeMirror,INTELOGIE/CodeMirror,bocharsky-bw/CodeMirror,anthonygego/CodeMirror,Icenium/CodeMirror