bugfix/#741 - remove socialImageUrl from Node type
bugfix/#741 - remove socialImageUrl from Node type

wpioneer/gatsby-starter-lumen,hb-gatsby/gatsby-starter-lumen,ochaloup/blog.chalda.cz,alxshelepenok/gatsby-starter-lumen,ochaloup/blog.chalda.cz,alxshelepenok/gatsby-starter-lumen