chore(config): delete ghost authors

Author: photonbit

_config.yml

@@ -8,23 +8,6 @@ permalink: /:title/
 
 # Authors
 authors:
-  sal:
-    name: Sal
-    display_name: Sal
-    gravatar: e56154546cf4be74e393c62d1ae9f9d4
-    email: wowthemesnet@gmail.com
-    web: https://www.wowthemes.net
-    twitter: https://twitter.com/wowthemesnet
-    description: "Author of Mediumish, a Bootstrap Medium styled template available for WordPress, HTML, Ghost and Jekyll. You are currently previewing Jekyll template demo."
-  john:
-    name: John
-    display_name: John    
-    avatar: 'assets/images/avatar.png'
-    gravatar: b1cc14991db7a456fcd761680bbc8f81
-    email: wowthemesnet@gmail.com
-    web: https://www.wowthemes.net
-    twitter: https://twitter.com/wowthemesnet
-    description: "This is the author box. Write a short description of the author here. You are currently previewing Mediumish demo, a Jekyll template compatible with Github pages."
   remi:
     name: Rémi Charpentier
     display_name: Rémi