remove teaser image

_config.yml

@@ -28,7 +28,7 @@ url                      : "http://eris.dynare.org" # the base hostname & protoc
 baseurl                  : # the subpath of your site, e.g. "/blog"
 repository               : "https://git.dynare.org/Dynare/dynare" # GitHub username/repo-name e.g. "mmistakes/minimal-mistakes"
 copyright_begin          : 1996
-teaser                   : "/assets/images/logo/dlogo.svg" # path of fallback teaser image, e.g. "/assets/images/500x300.png"
+teaser                   : # path of fallback teaser image, e.g. "/assets/images/500x300.png"
 breadcrumbs              : false
 words_per_minute         : 200
 comments: