Clean up clippy lints

Author: davidcole1340

build.rs

@@ -75,7 +75,7 @@ fn main() {
         .includes(
             str::replace(includes.as_ref(), "-I", "")
                 .split(' ')
-                .map(|path| Path::new(path)),
+                .map(Path::new),
         )
         .compile("wrapper");
 

crates/macros/src/function.rs

@@ -49,10 +49,7 @@ pub fn parser(args: AttributeArgs, input: ItemFn) -> Result<(TokenStream, Functi
         ..
     } = &sig;
 
-    let internal_ident = Ident::new(
-        &format!("_internal_php_{}", ident.to_string()),
-        Span::call_site(),
-    );
+    let internal_ident = Ident::new(&format!("_internal_php_{}", ident), Span::call_site());
     let args = build_args(inputs, &attr_args.defaults)?;
     let optional = find_optional_parameter(args.iter(), attr_args.optional);
     let arg_definitions = build_arg_definitions(&args);