frodo-kem: remove safe-oqs

Closes: #109 #165

It would be good to be able to retain these equivalence tests, but
they're pretty onerous for anyone trying to develop any KEM.

Author: tarcieri

Cargo.lock

@@ -86,7 +86,6 @@ hybrid-array = "0.4"
 rand = "0.10.0-rc.1"
 chacha20 = "0.10.0-rc.3"
 rstest = "0.26"
-safe-oqs = { version = "0.10", default-features = false, features = ["frodokem"] }
 postcard = { version = "1.0", features = ["use-std"] }
 serde_bare = "0.5"
 serde_cbor = "0.11"
@@ -103,12 +102,6 @@ features = [
 ]
 rustdoc-args = ["--cfg", "docsrs"]
 
-[[bench]]
-name = "safe-oqs"
-harness = false
-path = "benches/safe_oqs.rs"
-required-features = ["efrodo"]
-
 [[bench]]
 name = "frodo"
 harness = false