Rollup merge of rust-lang#142012 - oli-obk:no-optional-spans, r=fee1-dead

Replace some `Option<Span>` with `Span` and use DUMMY_SP instead of None

Turns out many locations actually have a span available that we could use, so I used it

Author: matthiaskrgr

clippy_utils/src/qualify_min_const_fn.rs

@@ -439,7 +439,7 @@ fn is_ty_const_destruct<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, body: &Body<'tcx>
             tcx,
             ObligationCause::dummy_with_span(body.span),
             param_env,
-            TraitRef::new(tcx, tcx.require_lang_item(LangItem::Destruct, Some(body.span)), [ty]),
+            TraitRef::new(tcx, tcx.require_lang_item(LangItem::Destruct, body.span), [ty]),
         );
 
         let mut selcx = SelectionContext::new(&infcx);