Rollup merge of rust-lang#44321 - jakllsch:jakllsch-4f2d6c87-2674-43e4-9c5f-2415136e6bdc, r=Mark-Simulacrum

bootstrap: only include docs in extended distribution if enabled

Fixes rust-lang#44163

Author: Mark-Simulacrum

src/bootstrap/dist.rs

@@ -1173,7 +1173,10 @@ impl Step for Extended {
         // the std files during uninstall. To do this ensure that rustc comes
         // before rust-std in the list below.
         let mut tarballs = vec![rustc_installer, cargo_installer, rls_installer,
-                                analysis_installer, docs_installer, std_installer];
+                                analysis_installer, std_installer];
+        if build.config.docs {
+            tarballs.push(docs_installer);
+        }
         if target.contains("pc-windows-gnu") {
             tarballs.push(mingw_installer.unwrap());
         }