Make CI happy by removing no-std-net/serde (not supported in Cargo.toml on older rust versions)

Author: domenukk

idna/src/lib.rs

@@ -33,7 +33,6 @@
 //! > allowing client software to access domains that are valid under either system.
 #![no_std]
 #[cfg_attr(feature = "unstable", feature("error_in_core"))]
-
 // For forwards compatibility
 #[cfg(feature = "std")]
 extern crate std;

idna/src/uts46.rs

@@ -714,7 +714,7 @@ impl From<Errors> for Result<(), Errors> {
 impl std::error::Error for Errors {}
 
 #[cfg(feature = "nightly")]
-impl core::error::Error for Errors{}
+impl core::error::Error for Errors {}
 
 impl fmt::Display for Errors {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {

url/Cargo.toml

@@ -44,7 +44,6 @@ alloc = []
 debugger_visualizer = []
 # Expose internal offsets of the URL.
 expose_internals = []
-serde = ["dep:serde", "no-std-net/serde"]
 # For no_std: Allow the use of no_std_net instead of nightly
 no_std_net = ["no-std-net"]
 # For no_std: Use errors_in_core and net_in_core