Remove embassy-net features that matter-rs is not using

Author: ivmarkov

matter/Cargo.toml

@@ -51,7 +51,7 @@ domain = { version = "0.7.2", default_features = false, features = ["heapless"]
 portable-atomic = "1"
 
 # embassy-net dependencies
-embassy-net = { version = "0.1", features = ["udp", "igmp", "proto-ipv6", "medium-ethernet", "medium-ip"], optional = true }
+embassy-net = { version = "0.1", features = ["igmp", "proto-ipv6", "udp"], optional = true }
 embassy-net-driver = { version = "0.1", optional = true }
 smoltcp = { version = "0.10", default-features = false, optional = true }