Remove src reset on removed tiles
Remove src reset on removed tiles

This is a performance hit on Chrome; no evidence it ever
solved a real issue. (Ref #107)

Srikanth4/Leaflet,Ossehoht/Leaflet,grahamthompson/Leaflet,kjell/Leaflet,klaftertief/Leaflet,klaftertief/Leaflet,pzdz/Leaflet,mbrukman/Leaflet,sambernet/Leaflet,iZucken/Leaflet,Leaflet/Leaflet,pakro/Leaflet,w8r/Leaflet,sambernet/Leaflet,nikhildhamsaniya/Leaflet,brah/Leaflet,grahamthompson/Leaflet,sellonen/Leaflet,tomnod/Leaflet,jblarsen/Leaflet,2gis/Leaflet,iZucken/Leaflet,psicomante/Leaflet,tormi/Leaflet,msokk/Leaflet,alex2wong/Leaflet,waeltken/Leaflet,wancharle/Leaflet,Jakobud/Leaflet,davojta/Leaflet,prashen/Leaflet,davidlukerice/Leaflet,thalesfsp/Leaflet,olafurr/Leaflet,Jakobud/Leaflet,scaddenp/Leaflet,tsantacruz/RotationalMarker,CapeSepias/Leaflet,Neorth/Leaflet,billybonz1/Leaflet,bolshoibooze/Leaflet,cmulders/Leaflet,tsantacruz/RotationalMarker,nathancahill/Leaflet,hyperknot/Leaflet,RobertoMalatesta/Leaflet,sisou/Leaflet,msokk/Leaflet,davidlukerice/Leaflet,jasonoverland/Leaflet,billybonz1/Leaflet,mediasuitenz/Leaflet,RyanHickman/Leaflet,CorainChicago/Leaflet,Andrey-Pavlov/Leaflet,geoloep/Leaflet,geoloep/Leaflet,eriksjaastad/Leaflet,akauppi/Leaflet,stefanocudini/Leaflet,snkashis/Leaflet,bbecquet/Leaflet,lee101/Leaflet,psicomante/Leaflet,CapeSepias/Leaflet,snkashis/Leaflet,pakro/Leaflet,huangsong/Leaflet,Neorth/Leaflet,alex2wong/Leaflet,billybonz1/Leaflet,RLRR/Leaflet,twoubt/Leaflet,devjoseluis/Leaflet,fab1an/Leaflet,snkashis/Leaflet,iamjonbradley/Leaflet,nikhildhamsaniya/Leaflet,andrewmartini/Leaflet,tomnod/Leaflet,mediasuitenz/Leaflet,caiiiycuk/Leaflet,rlugojr/Leaflet,geoloep/Leaflet,scaddenp/Leaflet,jmutua2015/Leaflet,cartant/Leaflet,elfalem/Leaflet,scaddenp/Leaflet,wrrnwng/Leaflet,jasonoverland/Leaflet,RobertoMalatesta/Leaflet,lee101/Leaflet,starsolaris/Leaflet,frogcat/Leaflet,AP-whitehat/Leaflet,elkingtonmcb/Leaflet,CorainChicago/Leaflet,MuellerMatthew/Leaflet,beni55/Leaflet,stefanocudini/Leaflet,wancharle/Leaflet,waeltken/Leaflet,elkingtonmcb/Leaflet,thalesfsp/Leaflet,RyanHickman/Leaflet,wpf500/Leaflet,caiiiycuk/Leaflet,starsolaris/Leaflet,Leaflet/Leaflet,sellonen/Leaflet,bbecquet/Leaflet,davojta/Leaflet,mourner/Leaflet,nycitt/Leaflet,juliensoret/Leaflet,fab1an/Leaflet,litnerdy/Leaflet,mstahv/Leaflet,mstahv/Leaflet,starsolaris/Leaflet,Fil/Leaflet,brah/Leaflet,wrrnwng/Leaflet,devjoseluis/Leaflet,fillerwriter/Leaflet,thalesfsp/Leaflet,lee101/Leaflet,rlugojr/Leaflet,sisou/Leaflet,Ubisense/Leaflet,eriksjaastad/Leaflet,AndBicScadMedia/Leaflet,kumy/Leaflet,Leaflet/Leaflet,elfalem/Leaflet,Andrey-Pavlov/Leaflet,nathancahill/Leaflet,Fil/Leaflet,2gis/Leaflet,wrrnwng/Leaflet,fillerwriter/Leaflet,fredericksilva/Leaflet,devjoseluis/Leaflet,AndBicScadMedia/Leaflet,huangsong/Leaflet,iamjonbradley/Leaflet,tormi/Leaflet,sellonen/Leaflet,tbassett44/Leaflet,webmechanicx/Leaflet,jmutua2015/Leaflet,AP-whitehat/Leaflet,waeltken/Leaflet,Ubisense/Leaflet,brah/Leaflet,twoubt/Leaflet,grahamthompson/Leaflet,taraszerebecki/Leaflet,w8r/Leaflet,jasonoverland/Leaflet,davidlukerice/Leaflet,CorainChicago/Leaflet,msiadak/Leaflet,jblarsen/Leaflet,iOffice/Leaflet,codeator/Leaflet,stefanocudini/Leaflet,RyanHickman/Leaflet,AP-whitehat/Leaflet,bolshoibooze/Leaflet,RLRR/Leaflet,Ubisense/Leaflet,mbrukman/Leaflet,cartant/Leaflet,msiadak/Leaflet,tormi/Leaflet,iOffice/Leaflet,Neorth/Leaflet,frogcat/Leaflet,RobertoMalatesta/Leaflet,dhootha/Leaflet,elfalem/Leaflet,RLRR/Leaflet,Trufi/Leaflet,dhootha/Leaflet,AndBicScadMedia/Leaflet,kjell/Leaflet,fillerwriter/Leaflet,kumy/Leaflet,rlugojr/Leaflet,caiiiycuk/Leaflet,javimolla/Leaflet,webmechanicx/Leaflet,bbecquet/Leaflet,huangsong/Leaflet,olafurr/Leaflet,klaftertief/Leaflet,mbrukman/Leaflet,Srikanth4/Leaflet,yohanboniface/Leaflet,cmulders/Leaflet,nycitt/Leaflet,nikhildhamsaniya/Leaflet,msokk/Leaflet,iamjonbradley/Leaflet,hyperknot/Leaflet,wpf500/Leaflet,pakro/Leaflet,juliensoret/Leaflet,elkingtonmcb/Leaflet,litnerdy/Leaflet,frogcat/Leaflet,cartant/Leaflet,javimolla/Leaflet,akrzyzanowskino/TeamSE,tbassett44/Leaflet,kumy/Leaflet,andrewmartini/Leaflet,msiadak/Leaflet,Trufi/Leaflet,beni55/Leaflet,hyperknot/Leaflet,taraszerebecki/Leaflet,taraszerebecki/Leaflet,fredericksilva/Leaflet,wpf500/Leaflet,tomnod/Leaflet,davojta/Leaflet,yohanboniface/Leaflet,pzdz/Leaflet,mstahv/Leaflet,fab1an/Leaflet,akauppi/Leaflet,psicomante/Leaflet,iZucken/Leaflet,eriksjaastad/Leaflet,Srikanth4/Leaflet,akrzyzanowskino/TeamSE,andrewmartini/Leaflet,wancharle/Leaflet,bolshoibooze/Leaflet,Ossehoht/Leaflet,Fil/Leaflet,litnerdy/Leaflet,sambernet/Leaflet,CapeSepias/Leaflet,Trufi/Leaflet,2gis/Leaflet,iOffice/Leaflet,tsantacruz/RotationalMarker,nathancahill/Leaflet,akauppi/Leaflet,jmutua2015/Leaflet,beni55/Leaflet,sisou/Leaflet,cmulders/Leaflet,yohanboniface/Leaflet,mourner/Leaflet,alex2wong/Leaflet,codeator/Leaflet,mourner/Leaflet,akrzyzanowskino/TeamSE,Andrey-Pavlov/Leaflet,prashen/Leaflet,Jakobud/Leaflet,nycitt/Leaflet,Ossehoht/Leaflet,MuellerMatthew/Leaflet,codeator/Leaflet,fredericksilva/Leaflet,olafurr/Leaflet,MuellerMatthew/Leaflet,dhootha/Leaflet,twoubt/Leaflet,prashen/Leaflet,w8r/Leaflet,tbassett44/Leaflet,mediasuitenz/Leaflet,webmechanicx/Leaflet,javimolla/Leaflet,pzdz/Leaflet,jblarsen/Leaflet