Remove bug! macro again.

Author: reitermarkus

compiler/rustc_lint/src/types.rs

@@ -1117,13 +1117,7 @@ pub(crate) fn repr_nullable_ptr<'tcx>(
                     return Some(get_nullable_type(tcx, field_ty).unwrap());
                 }
                 WrappingRange { start: 1, .. } => {
-                    let nullable_type = get_nullable_type(tcx, field_ty);
-
-                    if nullable_type.is_none() {
-                        bug!("cannot get nullable type for field_ty {field_ty:?}");
-                    }
-
-                    return Some(nullable_type.unwrap());
+                    return Some(get_nullable_type(tcx, field_ty).unwrap());
                 }
                 WrappingRange { start, end } => {
                     unreachable!("Unhandled start and end range: ({}, {})", start, end)