deny.toml: remove self_cell from skip list

Author: cakebaker

deny.toml

@@ -86,8 +86,6 @@ skip = [
   { name = "itertools", version = "0.13.0" },
   # fluent-bundle
   { name = "rustc-hash", version = "1.1.0" },
-  # fluent-bundle
-  { name = "self_cell", version = "0.10.3" },
   # ordered-multimap
   { name = "hashbrown", version = "0.14.5" },
   # cexpr (via bindgen)