reveal_defining_opaque_types field doesn't exist after rebase

Author: spastorino

compiler/rustc_infer/src/infer/at.rs

@@ -59,7 +59,6 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         Self {
             tcx: self.tcx.clone(),
             defining_use_anchor: self.defining_use_anchor.clone(),
-            reveal_defining_opaque_types: self.reveal_defining_opaque_types,
             in_progress_typeck_results: self.in_progress_typeck_results.clone(),
             inner: self.inner.clone(),
             skip_leak_check: self.skip_leak_check.clone(),