Rollup merge of #104822 - spastorino:selctx-new-instead-of-with_query_mode, r=lcnr

with_query_mode -> new

r? ```@lcnr```

Author: matthiaskrgr

compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs

@@ -2112,10 +2112,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
                 };
 
                 let obligation = obligation.with(self.tcx, trait_ref.to_poly_trait_predicate());
-                let mut selcx = SelectionContext::with_query_mode(
-                    &self,
-                    crate::traits::TraitQueryMode::Standard,
-                );
+                let mut selcx = SelectionContext::new(&self);
                 match selcx.select_from_obligation(&obligation) {
                     Ok(None) => {
                         let impls = ambiguity::recompute_applicable_impls(self.infcx, &obligation);

compiler/rustc_trait_selection/src/traits/query/evaluate_obligation.rs

@@ -2,9 +2,7 @@ use rustc_middle::ty;
 
 use crate::infer::canonical::OriginalQueryValues;
 use crate::infer::InferCtxt;
-use crate::traits::{
-    EvaluationResult, OverflowError, PredicateObligation, SelectionContext, TraitQueryMode,
-};
+use crate::traits::{EvaluationResult, OverflowError, PredicateObligation, SelectionContext};
 
 pub trait InferCtxtExt<'tcx> {
     fn predicate_may_hold(&self, obligation: &PredicateObligation<'tcx>) -> bool;
@@ -97,7 +95,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> {
         match self.evaluate_obligation(obligation) {
             Ok(result) => result,
             Err(OverflowError::Canonical) => {
-                let mut selcx = SelectionContext::with_query_mode(&self, TraitQueryMode::Standard);
+                let mut selcx = SelectionContext::new(&self);
                 selcx.evaluate_root_obligation(obligation).unwrap_or_else(|r| match r {
                     OverflowError::Canonical => {
                         span_bug!(