remove set_page_edit_handler - dead code, never used
remove set_page_edit_handler - dead code, never used

marctc/wagtail,kurtw/wagtail,gasman/wagtail,jorge-marques/wagtail,WQuanfeng/wagtail,chimeno/wagtail,jordij/wagtail,jnns/wagtail,dresiu/wagtail,zerolab/wagtail,JoshBarr/wagtail,kurtw/wagtail,Tivix/wagtail,inonit/wagtail,chrxr/wagtail,rsalmaso/wagtail,WQuanfeng/wagtail,timorieber/wagtail,wagtail/wagtail,nutztherookie/wagtail,gasman/wagtail,chimeno/wagtail,nrsimha/wagtail,stevenewey/wagtail,nutztherookie/wagtail,takeflight/wagtail,FlipperPA/wagtail,jordij/wagtail,takeshineshiro/wagtail,rjsproxy/wagtail,iho/wagtail,takeshineshiro/wagtail,mephizzle/wagtail,iansprice/wagtail,mephizzle/wagtail,kurtrwall/wagtail,chimeno/wagtail,serzans/wagtail,wagtail/wagtail,nilnvoid/wagtail,zerolab/wagtail,rjsproxy/wagtail,jorge-marques/wagtail,nutztherookie/wagtail,kurtrwall/wagtail,hamsterbacke23/wagtail,janusnic/wagtail,m-sanders/wagtail,inonit/wagtail,kaedroho/wagtail,davecranwell/wagtail,hanpama/wagtail,mayapurmedia/wagtail,quru/wagtail,benjaoming/wagtail,kaedroho/wagtail,kurtrwall/wagtail,jnns/wagtail,hanpama/wagtail,Klaudit/wagtail,nrsimha/wagtail,hamsterbacke23/wagtail,FlipperPA/wagtail,mjec/wagtail,KimGlazebrook/wagtail-experiment,kurtw/wagtail,bjesus/wagtail,inonit/wagtail,kaedroho/wagtail,nimasmi/wagtail,stevenewey/wagtail,mjec/wagtail,jnns/wagtail,mixxorz/wagtail,taedori81/wagtail,dresiu/wagtail,dresiu/wagtail,gogobook/wagtail,rv816/wagtail,nrsimha/wagtail,nealtodd/wagtail,serzans/wagtail,rsalmaso/wagtail,WQuanfeng/wagtail,janusnic/wagtail,hamsterbacke23/wagtail,dresiu/wagtail,serzans/wagtail,Tivix/wagtail,Toshakins/wagtail,tangentlabs/wagtail,timorieber/wagtail,davecranwell/wagtail,thenewguy/wagtail,Klaudit/wagtail,chimeno/wagtail,rsalmaso/wagtail,torchbox/wagtail,marctc/wagtail,chrxr/wagtail,torchbox/wagtail,takeflight/wagtail,wagtail/wagtail,nealtodd/wagtail,gasman/wagtail,quru/wagtail,KimGlazebrook/wagtail-experiment,takeshineshiro/wagtail,darith27/wagtail,inonit/wagtail,Toshakins/wagtail,taedori81/wagtail,mayapurmedia/wagtail,Pennebaker/wagtail,iansprice/wagtail,rjsproxy/wagtail,janusnic/wagtail,quru/wagtail,chrxr/wagtail,thenewguy/wagtail,takeflight/wagtail,davecranwell/wagtail,Pennebaker/wagtail,wagtail/wagtail,benjaoming/wagtail,jnns/wagtail,iho/wagtail,iho/wagtail,m-sanders/wagtail,gogobook/wagtail,rv816/wagtail,tangentlabs/wagtail,jordij/wagtail,Klaudit/wagtail,rsalmaso/wagtail,quru/wagtail,darith27/wagtail,KimGlazebrook/wagtail-experiment,gasman/wagtail,kaedroho/wagtail,nimasmi/wagtail,takeshineshiro/wagtail,benjaoming/wagtail,marctc/wagtail,WQuanfeng/wagtail,Toshakins/wagtail,Pennebaker/wagtail,m-sanders/wagtail,tangentlabs/wagtail,timorieber/wagtail,marctc/wagtail,kaedroho/wagtail,rv816/wagtail,davecranwell/wagtail,Tivix/wagtail,rv816/wagtail,m-sanders/wagtail,stevenewey/wagtail,mayapurmedia/wagtail,zerolab/wagtail,chimeno/wagtail,nrsimha/wagtail,iansprice/wagtail,bjesus/wagtail,kurtrwall/wagtail,takeflight/wagtail,FlipperPA/wagtail,chrxr/wagtail,zerolab/wagtail,KimGlazebrook/wagtail-experiment,torchbox/wagtail,JoshBarr/wagtail,nealtodd/wagtail,jordij/wagtail,bjesus/wagtail,taedori81/wagtail,thenewguy/wagtail,Klaudit/wagtail,hamsterbacke23/wagtail,gasman/wagtail,dresiu/wagtail,nilnvoid/wagtail,mjec/wagtail,benjaoming/wagtail,Tivix/wagtail,thenewguy/wagtail,nilnvoid/wagtail,JoshBarr/wagtail,nimasmi/wagtail,FlipperPA/wagtail,iho/wagtail,mikedingjan/wagtail,mixxorz/wagtail,nutztherookie/wagtail,hanpama/wagtail,timorieber/wagtail,taedori81/wagtail,mjec/wagtail,mixxorz/wagtail,hanpama/wagtail,darith27/wagtail,iansprice/wagtail,tangentlabs/wagtail,mikedingjan/wagtail,mephizzle/wagtail,stevenewey/wagtail,kurtw/wagtail,rsalmaso/wagtail,darith27/wagtail,Pennebaker/wagtail,mixxorz/wagtail,mixxorz/wagtail,Toshakins/wagtail,taedori81/wagtail,jorge-marques/wagtail,rjsproxy/wagtail,janusnic/wagtail,nimasmi/wagtail,serzans/wagtail,mephizzle/wagtail,bjesus/wagtail,gogobook/wagtail,mikedingjan/wagtail,mayapurmedia/wagtail,thenewguy/wagtail,JoshBarr/wagtail,wagtail/wagtail,jorge-marques/wagtail,zerolab/wagtail,nilnvoid/wagtail,mikedingjan/wagtail,nealtodd/wagtail,torchbox/wagtail,gogobook/wagtail,jorge-marques/wagtail