auto-cf: remove necronomicon from global exclusions (#2991)

Author: itzg

files/cf-exclude-include.json

@@ -66,7 +66,6 @@
     "more-overlays",
     "mouse-tweaks",
     "neat",
-    "necronomicon",
     "nekos-enchanted-books",
     "no-recipe-book",
     "no-nv-flash",