refactor(util-schemas): remove unused arg

Author: weihanglo

crates/cargo-util-schemas/src/manifest.rs

@@ -1175,7 +1175,7 @@ str_newtype!(PackageName);
 impl<T: AsRef<str>> PackageName<T> {
     /// Validated package name
     pub fn new(name: T) -> Result<Self, NameValidationError> {
-        restricted_names::validate_package_name(name.as_ref(), "package name", "")?;
+        restricted_names::validate_package_name(name.as_ref(), "package name")?;
         Ok(Self(name))
     }
 }
@@ -1197,7 +1197,7 @@ str_newtype!(RegistryName);
 impl<T: AsRef<str>> RegistryName<T> {
     /// Validated registry name
     pub fn new(name: T) -> Result<Self, NameValidationError> {
-        restricted_names::validate_package_name(name.as_ref(), "registry name", "")?;
+        restricted_names::validate_package_name(name.as_ref(), "registry name")?;
         Ok(Self(name))
     }
 }

crates/cargo-util-schemas/src/restricted_names.rs

@@ -34,7 +34,7 @@ pub enum NameValidationError {
 /// level of sanity. Note that package names have other restrictions
 /// elsewhere. `cargo new` has a few restrictions, such as checking for
 /// reserved names. crates.io has even more restrictions.
-pub fn validate_package_name(name: &str, what: &'static str, help: &str) -> Result<()> {
+pub fn validate_package_name(name: &str, what: &'static str) -> Result<()> {
     if name.is_empty() {
         return Err(NameValidationError::Empty(what));
     }