Move schema clearing to extra method.
Move schema clearing to extra method.

jbicha/server,cernbox/core,andreas-p/nextcloud-server,IljaN/core,pixelipo/server,Ardinis/server,lrytz/core,endsguy/server,whitekiba/server,andreas-p/nextcloud-server,Ardinis/server,sharidas/core,pollopolea/core,bluelml/core,pollopolea/core,whitekiba/server,pixelipo/server,bluelml/core,pmattern/server,endsguy/server,IljaN/core,pmattern/server,sharidas/core,owncloud/core,nextcloud/server,endsguy/server,owncloud/core,whitekiba/server,lrytz/core,whitekiba/server,owncloud/core,phil-davis/core,Ardinis/server,endsguy/server,nextcloud/server,pmattern/server,owncloud/core,michaelletzgus/nextcloud-server,endsguy/server,bluelml/core,pollopolea/core,andreas-p/nextcloud-server,cernbox/core,bluelml/core,whitekiba/server,Ardinis/server,lrytz/core,michaelletzgus/nextcloud-server,michaelletzgus/nextcloud-server,xx621998xx/server,cernbox/core,sharidas/core,xx621998xx/server,pmattern/server,jbicha/server,jbicha/server,xx621998xx/server,andreas-p/nextcloud-server,sharidas/core,sharidas/core,pixelipo/server,lrytz/core,xx621998xx/server,IljaN/core,michaelletzgus/nextcloud-server,pixelipo/server,owncloud/core,nextcloud/server,cernbox/core,nextcloud/server,pollopolea/core,lrytz/core,pollopolea/core,bluelml/core,andreas-p/nextcloud-server,pixelipo/server,Ardinis/server,pmattern/server,xx621998xx/server,cernbox/core,IljaN/core,jbicha/server,jbicha/server,IljaN/core