Remove unused dependencies envy

Signed-off-by: Ludvig Liljenberg <[email protected]>

Author: ludfjig

src/hyperlight_host/Cargo.toml

@@ -84,7 +84,6 @@ mshv-ioctls3 = { package="mshv-ioctls",  version = "=0.3.2", optional = true}
 [dev-dependencies]
 uuid = { version = "1.15.1", features = ["v4"] }
 signal-hook-registry = "1.4.1"
-envy = { version = "0.4.2" }
 serde = "1.0"
 proptest = "1.6.0"
 tempfile = "3.18.0"