Make machine applicable

Author: RuairidhWilliamson

clippy_lints/src/anon_trait_import.rs

@@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for AnonTraitImport {
                 "importing trait that is only used anonymously",
                 "use",
                 format!("{snip} as _"),
-                Applicability::MaybeIncorrect,
+                Applicability::MachineApplicable,
             );
         }
     }