Rollup merge of #77739 - est31:remove_unused_code, r=petrochenkov,varkor

Remove unused code

Rustc has a builtin lint for detecting unused code inside a crate, but when an item is marked `pub`, the code, even if unused inside the entire workspace, is never marked as such. Therefore, I've built [warnalyzer](https://github.com/est31/warnalyzer) to detect unused items in a cross-crate setting.

Closes https://github.com/est31/warnalyzer/issues/2

compiler/rustc_codegen_llvm/src/llvm/mod.rs

@@ -118,11 +118,6 @@ pub fn SetUnnamedAddress(global: &'a Value, unnamed: UnnamedAddr) {
     }
 }
 
-pub fn set_thread_local(global: &'a Value, is_thread_local: bool) {
-    unsafe {
-        LLVMSetThreadLocal(global, is_thread_local as Bool);
-    }
-}
 pub fn set_thread_local_mode(global: &'a Value, mode: ThreadLocalMode) {
     unsafe {
         LLVMSetThreadLocalMode(global, mode);