remove suggestion that cannot always be applied

Author: folkertdev

Diff for: compiler/rustc_passes/src/errors.rs

@@ -1191,8 +1191,6 @@ impl<G: EmissionGuarantee> Diagnostic<'_, G> for NakedFunctionsAsmBlock {
 pub(crate) struct NakedFunctionsMustNakedAsm {
     #[primary_span]
     pub span: Span,
-    #[suggestion(code = "naked_asm!", applicability = "machine-applicable")]
-    pub macro_span: Span,
 }
 
 #[derive(Diagnostic)]

Diff for: compiler/rustc_passes/src/naked_functions.rs

@@ -133,10 +133,7 @@ fn check_asm<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId, body: &'tcx hir::Body<
                 ItemKind::InlineAsm => {
                     has_err = true;
 
-                    // the span that contains the `asm!` call,
-                    // so tooling can replace it with `naked_asm!`
-                    let macro_span = span.with_hi(span.lo() + BytePos("asm!".len() as u32));
-                    tcx.dcx().emit_err(NakedFunctionsMustNakedAsm { span, macro_span });
+                    tcx.dcx().emit_err(NakedFunctionsMustNakedAsm { span });
                 }
                 ItemKind::NonAsm => {
                     must_show_error = true;