chore: fix patch pin for curve25519-dalek

the crate is patched so @kotval can do dev work on the crate,
but we should build from mainline for CI testing for now.

Cargo.toml

@@ -145,10 +145,10 @@ sha2_legacy = { git = "https://github.com/RustCrypto/hashes.git", tag = "sha2-v0
 [patch.crates-io.aes]
 path = "services/aes"
 
-[patch.crates-io.curve25519-dalek]
+#[patch.crates-io.curve25519-dalek]
 #git = "https://github.com/betrusted-io/curve25519-dalek.git"
 #branch = "main"
-path = "../curve25519-dalek/curve25519-dalek" # when doing local dev work
+#path = "../curve25519-dalek/curve25519-dalek" # when doing local dev work
 # feature overrides are specified at the crate level
 
 [patch."https://github.com/betrusted-io/xous-engine-25519.git"]