Fix extraneous extra-dep in stack-8.6.4.yaml

Author: lukel97

stack-8.6.4.yaml

@@ -31,8 +31,6 @@ extra-deps:
 - haskell-lsp-types-0.22.0.0
 - haskell-src-exts-1.21.1
 - hie-bios-0.6.1
-- github: mpickering/hie-bios
-  commit: b925bbfacf4f42898733d696b62a829258cd9cf9
 - hlint-2.2.8
 - hoogle-5.0.17.11
 - hsimport-0.11.0@rev:2