Remove unnecessary use mb; in metebuild.

surechen · surechen · commit 8100d2755185 · 2024-02-17T17:19:10.000+08:00
Check this in PR #117772 in rustc.
diff --git a/src/cargo/core/compiler/custom_build.rs b/src/cargo/core/compiler/custom_build.rs
@@ -1077,9 +1077,6 @@ fn prepare_metabuild(cx: &Context<'_, '_>, unit: &Unit, deps: &[String]) -> Carg
                 .map(|d| d.unit.target.crate_name())
         })
         .collect();
-    for dep in &meta_deps {
-        output.push(format!("use {};\n", dep));
-    }
     output.push("fn main() {\n".to_string());
     for dep in &meta_deps {
         output.push(format!("    {}::metabuild();\n", dep));
