remove setup example again

Author: rklaehn

Cargo.toml

@@ -151,10 +151,6 @@ required-features = ["example-iroh"]
 name = "custom-protocol"
 required-features = ["example-iroh"]
 
-[[example]]
-name = "setup"
-required-features = ["example-iroh"]
-
 [lints.rust]
 missing_debug_implementations = "warn"