Removing Fanboy Enhanced Tracking

Too likely to cause breakage. It was originally added without
having been really evaluated. As per feedback, it's too likely
to cause breakage.

The list is seemingly used to evaluate filters, which are moved
to EasyPrivacy once they are deemed valid and useful.

assets/assets.json

@@ -137,14 +137,6 @@
 		],
 		"supportURL": "https://forums.lanik.us/"
 	},
-	"fanboy-enhanced": {
-		"content": "filters",
-		"group": "privacy",
-		"off": true,
-		"title": "Fanboy’s Enhanced Tracking List",
-		"contentURL": "https://www.fanboy.co.nz/enhancedstats.txt",
-		"supportURL": "https://github.com/ryanbr/fanboy-adblock/issues"
-	},
 	"urlhaus-1": {
 		"content": "filters",
 		"group": "malware",