Dropping the bjornstar source until we can sort fringe issues.

data/bjornstar/update.json

@@ -1,9 +0,0 @@
-{
-    "name": "bjornstar",
-    "description": "Advertisers and other purveyors of worthless content",
-    "homeurl": "https://github.com/bjornstar/hosts",
-    "frequency": "frequently",
-    "issues": "https://github.com/bjornstar/hosts/issues",
-    "url": "https://raw.githubusercontent.com/bjornstar/hosts/master/hosts",
-    "license": "Unlicense"
-}