Removed holdover popover code in PostsPostController
Removed holdover popover code in PostsPostController

Ref #2840
-Removed unused isEditingSettings and isViewingSaveTypes from PostsPostController

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Yale/blog,cncodog/Ghost-zh-codog,tyrikio/Ghost,notno/Ghost,thinq4yourself/Unmistakable-Blog,singular78/Ghost,etanxing/Ghost,rouanw/Ghost,delgermurun/Ghost,freele/ghost,acburdine/Ghost,gleneivey/Ghost,julianromera/Ghost,novaugust/Ghost,acburdine/Ghost,Smile42RU/Ghost,cqricky/Ghost,ericbenson/GhostAzureSetup,arvidsvensson/Ghost,memezilla/Ghost,UnbounDev/Ghost,AnthonyCorrado/Ghost,cicorias/Ghost,singular78/Ghost,ddeveloperr/Ghost,TryGhost/Ghost,javimolla/Ghost,ErisDS/Ghost,gabfssilva/Ghost,rito/Ghost,klinker-apps/ghost,exsodus3249/Ghost,Elektro1776/javaPress,Azzurrio/Ghost,Feitianyuan/Ghost,schneidmaster/theventriloquist.us,bisoe/Ghost,manishchhabra/Ghost,jorgegilmoreira/ghost,ITJesse/Ghost-zh,melissaroman/ghost-blog,flomotlik/Ghost,klinker-apps/ghost,lukw00/Ghost,bosung90/Ghost,jorgegilmoreira/ghost,hnarayanan/narayanan.co,carlyledavis/Ghost,anijap/PhotoGhost,johngeorgewright/blog.j-g-w.info,uploadcare/uploadcare-ghost-demo,mattchupp/blog,theonlypat/Ghost,jomahoney/Ghost,jaswilli/Ghost,JulienBrks/Ghost,Bunk/Ghost,stridespace/Ghost,influitive/crafters,rollokb/Ghost,mlabieniec/ghost-env,BayPhillips/Ghost,llv22/Ghost,aschmoe/jesse-ghost-app,qdk0901/Ghost,jamesslock/Ghost,AnthonyCorrado/Ghost,ineitzke/Ghost,kolorahl/Ghost,Loyalsoldier/Ghost,sifatsultan/js-ghost,adam-paterson/blog,davidmenger/nodejsfan,AlexKVal/Ghost,axross/ghost,zeropaper/Ghost,phillipalexander/Ghost,Klaudit/Ghost,NamedGod/Ghost,DesenTao/Ghost,situkangsayur/Ghost,adam-paterson/blog,metadevfoundation/Ghost,shannonshsu/Ghost,ngosinafrica/SiteForNGOs,vloom/blog,veyo-care/Ghost,kmeurer/Ghost,codeincarnate/Ghost,developer-prosenjit/Ghost,mdbw/ghost,developer-prosenjit/Ghost,JohnONolan/Ghost,epicmiller/pages,trunk-studio/Ghost,floofydoug/Ghost,dylanchernick/ghostblog,BlueHatbRit/Ghost,schematical/Ghost,wemakeweb/Ghost,hoxoa/Ghost,shannonshsu/Ghost,optikalefx/Ghost,camilodelvasto/herokughost,NikolaiIvanov/Ghost,morficus/Ghost,melissaroman/ghost-blog,YY030913/Ghost,panezhang/Ghost,load11/ghost,lanffy/Ghost,ygbhf/Ghost,achimos/ghost_as,pbevin/Ghost,dqj/Ghost,ashishapy/ghostpy,patterncoder/patterncoder,rito/Ghost,djensen47/Ghost,JonathanZWhite/Ghost,Gargol/Ghost,kevinansfield/Ghost,r1N0Xmk2/Ghost,diogogmt/Ghost,allanjsx/Ghost,alexandrachifor/Ghost,bsansouci/Ghost,Remchi/Ghost,bastianbin/Ghost,NovaDevelopGroup/Academy,lukaszklis/Ghost,ITJesse/Ghost-zh,diancloud/Ghost,influitive/crafters,mhhf/ghost-latex,velimir0xff/Ghost,madole/diverse-learners,nmukh/Ghost,r1N0Xmk2/Ghost,neynah/GhostSS,ivantedja/ghost,cysys/ghost-openshift,tanbo800/Ghost,kmeurer/Ghost,ErisDS/Ghost,kolorahl/Ghost,JonathanZWhite/Ghost,jacostag/Ghost,no1lov3sme/Ghost,kaiqigong/Ghost,weareleka/blog,dai-shi/Ghost,eduardojmatos/eduardomatos.me,bigertech/Ghost,cwonrails/Ghost,Romdeau/Ghost,r14r/fork_nodejs_ghost,jparyani/GhostSS,rchrd2/Ghost,ghostchina/Ghost-zh,johnnymitch/Ghost,Romdeau/Ghost,ngosinafrica/SiteForNGOs,imjerrybao/Ghost,nneko/Ghost,Kikobeats/Ghost,olsio/Ghost,hyokosdeveloper/Ghost,chris-yoon90/Ghost,dgem/Ghost,gleneivey/Ghost,wspandihai/Ghost,jorgegilmoreira/ghost,dbalders/Ghost,ManRueda/Ghost,cwonrails/Ghost,pedroha/Ghost,mttschltz/ghostblog,praveenscience/Ghost,acburdine/Ghost,fredeerock/atlabghost,ASwitlyk/Ghost,Netazoic/bad-gateway,xiongjungit/Ghost,NodeJSBarenko/Ghost,ivanoats/ivanstorck.com,gabfssilva/Ghost,neynah/GhostSS,Rovak/Ghost,stridespace/Ghost,Brunation11/Ghost,PDXIII/Ghost-FormMailer,daihuaye/Ghost,allspiritseve/mindlikewater,vishnuharidas/Ghost,ghostchina/Ghost-zh,vainglori0us/urban-fortnight,sfpgmr/Ghost,leninhasda/Ghost,ThorstenHans/Ghost,ygbhf/Ghost,sceltoas/Ghost,zuphu/GhostBlog,UnbounDev/Ghost,blankmaker/Ghost,carlosmtx/Ghost,sunh3/Ghost,wspandihai/Ghost,pbevin/Ghost,olsio/Ghost,llv22/Ghost,camilodelvasto/herokughost,jacostag/Ghost,Elektro1776/javaPress,icowan/Ghost,pensierinmusica/Ghost,Kaenn/Ghost,veyo-care/Ghost,ManRueda/Ghost,leonli/ghost,psychobunny/Ghost,ineitzke/Ghost,dggr/Ghost-sr,cobbspur/Ghost,smedrano/Ghost,duyetdev/islab,madole/diverse-learners,davidenq/Ghost-Blog,ThorstenHans/Ghost,phillipalexander/Ghost,Remchi/Ghost,axross/ghost,IbrahimAmin/Ghost,alecho/Ghost,leonli/ghost,jiachenning/Ghost,Alxandr/Blog,sajmoon/Ghost,zeropaper/Ghost,darvelo/Ghost,tadityar/Ghost,Dnlyc/Ghost,daimaqiao/Ghost-Bridge,flomotlik/Ghost,mlabieniec/ghost-env,sangcu/Ghost,TribeMedia/Ghost,laispace/laiblog,sankumsek/Ghost-ashram,disordinary/Ghost,riyadhalnur/Ghost,ryanbrunner/crafters,laispace/laiblog,pollbox/ghostblog,ballPointPenguin/Ghost,johngeorgewright/blog.j-g-w.info,ivanoats/ivanstorck.com,NikolaiIvanov/Ghost,ballPointPenguin/Ghost,Aaron1992/Ghost,PepijnSenders/whatsontheotherside,neynah/GhostSS,GroupxDev/javaPress,cncodog/Ghost-zh-codog,PaulBGD/Ghost-Plus,katrotz/blog.katrotz.space,schematical/Ghost,leonli/ghost,Yarov/yarov,jomofrodo/ccb-ghost,schneidmaster/theventriloquist.us,cwonrails/Ghost,ananthhh/Ghost,katiefenn/Ghost,telco2011/Ghost,tksander/Ghost,tmp-reg/Ghost,SachaG/bjjbot-blog,kwangkim/Ghost,PeterCxy/Ghost,alecho/Ghost,k2byew/Ghost,nmukh/Ghost,duyetdev/islab,th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