Remove examples features flag and remove empty request example.

I think it is nice if you can use the examples without the
--features examples feature flag.

Author: rklaehn

Cargo.toml

@@ -58,16 +58,12 @@ testresult = "0.4.1"
 tracing-subscriber = { version = "0.3.19", features = ["fmt"] }
 tracing-test = "0.2.5"
 walkdir = "2.5.0"
+iroh = { version = "0.90", features = ["discovery-local-network"]}
 
 [features]
 hide-proto-docs = []
 metrics = []
-default = ["hide-proto-docs", "examples"]
-examples = ["iroh/discovery-local-network"]
-
-[[example]]
-name = "mdns-discovery"
-required-features = ["examples"]
+default = ["hide-proto-docs"]
 
 [patch.crates-io]
 iroh = { git = "https://github.com/n0-computer/iroh.git", branch = "main" }