fixed tidy

Author: Kivooeo

compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs

@@ -1561,15 +1561,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                         })
                     })
                 );
-                let x = if x.starts_with("<Self>::") {
-                    x[8..].to_owned()
-                } else {
-                    x
-                };
-                (
-                    x,
-                    error_span,
-                )
+                let x = if x.starts_with("<Self>::") { x[8..].to_owned() } else { x };
+                (x, error_span)
             };
             let mut needs_comma = false;
             for (expected_idx, provided_idx) in matched_inputs.iter_enumerated() {