Remove apparently unnecessary config file

blog/config.toml

-baseURL = "https://grp-bio-it.embl-community.io/blog/"
-languageCode = "en-us"
-title = "Bio-IT Community Blog"
-theme = "ananke"
-
-MetaDataFormat = "yaml"
-DefaultContentLanguage = "en"
-SectionPagesMenu = "main"
-Paginate = 10 # this is set low for demonstrating with dummy content. Set to a higher number
-googleAnalytics = ""
-enableRobotsTXT = true
-
-[sitemap]
-  changefreq = "monthly"
-  priority = 0.5
-  filename = "sitemap.xml"
-
-[params]
-  favicon = ""
-  description = ""
-  facebook = ""
-  twitter = "https://twitter.com/EMBL_BioIT"
-  instagram = ""
-  youtube = ""
-  github = ""
-  gitlab = "https://git.embl.de/grp-bio-it/blog"
-  linkedin = ""
-  # choose a background color from any on this page: http://tachyons.io/docs/themes/skins/ and preface it with "bg-"
-  background_color_class = "bg-green"
-  featured_image = "/images/alexisrbrown_unsplash.jpeg"