style: pedantic refactoring (#6771)

---------

Co-authored-by: daniel.eades <daniel.eades@seebyte.com>

build.rs

@@ -42,7 +42,7 @@ fn gen_presets_hook(mut file: &File) -> SdResult<()> {
 
     writeln!(
         file,
-        r#"
+        r"
 use crate::print;
 
 pub fn get_preset_list<'a>() -> &'a [print::Preset] {{
@@ -57,7 +57,7 @@ pub fn get_preset_content(name: &str) -> &[u8] {{
     _ => unreachable!(),
     }}
 }}
-"#
+"
     )?;
     Ok(())
 }