Rollup merge of #142868 - klensy:dc, r=oli-obk

remove few allow(dead_code)

Few from serial/parallel compiler leftovers and few from bootstrap.

src/bootstrap/src/core/build_steps/setup.rs

@@ -531,7 +531,7 @@ enum EditorKind {
 
 impl EditorKind {
     // Used in `./tests.rs`.
-    #[allow(dead_code)]
+    #[cfg(test)]
     pub const ALL: &[EditorKind] = &[
         EditorKind::Emacs,
         EditorKind::Helix,

src/bootstrap/src/core/build_steps/tool.rs

@@ -390,7 +390,6 @@ macro_rules! bootstrap_tool {
         ;
     )+) => {
         #[derive(PartialEq, Eq, Clone)]
-        #[allow(dead_code)]
         pub enum Tool {
             $(
                 $name,