Unfork curve25519-dalek

Summary:
Upstream curve25519-dalek-3.2.0 depends on `zeroize = "1"`.

Upstream curve25519-dalek-3.2.1 depends on `zeroize = ">=1, <1.4"`.

Our forked curve25519-dalek is 3.2.1 with `zeroize = "1"`.

Reviewed By: dtolnay

Differential Revision: D51214499

fbshipit-source-id: 7cbf219604e5f695922ec2ad9877e97ab1bb7132

Cargo.toml

@@ -2,7 +2,6 @@
 abomonation = { git = "https://github.com/markbt/abomonation", rev = "0f43346d2afa2aedc64d61f3f4273e8d1e454642" }
 annotate-snippets = { git = "https://github.com/rust-lang/annotate-snippets-rs.git", rev = "160ef451acded1f92e7ddc462f9e1d8a3f99dcce" }
 base64urlsafedata = { git = "https://github.com/kanidm/webauthn-rs.git", rev = "eecc9fe640152f37eec671a3fa60241ed9032d83" }
-curve25519-dalek = { git = "https://github.com/hariria/curve25519-dalek", rev = "1f39e7b369dc70f432370c9703229a45bfa9664e" }
 dachshund = { git = "https://github.com/facebookresearch/dachshund", rev = "ec4cc35bc5afb0db5f791ee9e3168e7586986c88" }
 graphql-parser = { git = "https://github.com/graphql-rust//graphql-parser", rev = "8d76425d83c40670570cc325f57c730262f07456" }
 libbpf-sys = { git = "https://github.com/danielocfb/libbpf-sys", rev = "d9e279ab7ca2e483366fe86af2a5b6ef30320bca" }