Revert "Rollup merge of #129584 - lolbinarycat:old-upstream-warning, r=albertlarsan68"

This reverts commit 776187d2c9a42dc07452ae36a8b765d66bd8e2ca, reversing
changes made to 7d015575ada1de8a4627fcdea416194a57a175c2.

2 files changed, 1 insertions, 12 deletions

diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs
index 952d8d73328..5ca4321d855 100644
--- a/src/bootstrap/src/core/build_steps/format.rs
+++ b/src/bootstrap/src/core/build_steps/format.rs
@@ -93,6 +93,7 @@ fn get_modified_rs_files(build: &Builder<'_>) -> Result<Option<Vec<String>>, Str
     if !verify_rustfmt_version(build) {
         return Ok(None);
     }
+
     get_git_modified_files(&build.config.git_config(), Some(&build.config.src), &["rs"])
 }
 
diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs
index e9f03352ff3..6fbdd76ed5b 100644
--- a/src/bootstrap/src/core/sanity.rs
+++ b/src/bootstrap/src/core/sanity.rs
@@ -13,8 +13,6 @@ use std::ffi::{OsStr, OsString};
 use std::path::PathBuf;
 use std::{env, fs};
 
-use build_helper::git::warn_old_master_branch;
-
 use crate::Build;
 #[cfg(not(feature = "bootstrap-self-test"))]
 use crate::builder::Builder;
@@ -382,14 +380,4 @@ $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
     if let Some(ref s) = build.config.ccache {
         cmd_finder.must_have(s);
     }
-
-    // this warning is useless in CI,
-    // and CI probably won't have the right branches anyway.
-    if !build_helper::ci::CiEnv::is_ci() {
-        if let Err(e) = warn_old_master_branch(&build.config.git_config(), &build.config.src)
-            .map_err(|e| e.to_string())
-        {
-            eprintln!("unable to check if upstream branch is old: {e}");
-        }
-    }
 }