remove unnecessary malloc imports, remove cargo.toml env check

Signed-off-by: strawberry <strawberry@puppygock.gay>

Cargo.toml

@@ -308,7 +308,6 @@ hyperlocal = { git = "https://github.com/softprops/hyperlocal", rev = "2ee4d1496
     "server",
 ] } # unix socket support
 
-[target.'cfg(all(not(target_env = "msvc"), not(target_os = "macos"), target_os = "linux"))'.dependencies]
 hardened_malloc-rs = { version = "0.1", optional = true, features = [
     "static",
     "clang",