LTO fix and toml cleanup (#608)

* Removes redundant entries from Cargo.toml

This also fixes a compilation problem we have in debug mode with LTO
enabled.

* fix output-path triple dash

Cargo.lock

@@ -11,15 +11,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "arbitrary"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db55d72333851e17d572bec876e390cd3b11eb1ef53ae821dd9f3b653d2b4569"
-dependencies = [
- "derive_arbitrary",
-]
-
 [[package]]
 name = "arrayref"
 version = "0.3.6"
@@ -100,7 +91,6 @@ dependencies = [
 name = "ctap2"
 version = "1.0.0"
 dependencies = [
- "arbitrary",
  "arrayref",
  "byteorder",
  "crypto",
@@ -115,21 +105,9 @@ dependencies = [
  "rand 0.8.5",
  "rng256",
  "sk-cbor",
- "subtle",
  "uuid",
 ]
 
-[[package]]
-name = "derive_arbitrary"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1a012b5e473dc912f0db0546a1c9c6a194ce8494feb66fa0237160926f9e0e6"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "ed25519-compact"
 version = "1.0.15"