Relocate modules_ans_files_visibity/mod_file_correct_spans.rs to

modules/mod_file_correct_spans.rs

Author: reddevilmidzy

tests/ui/modules/mod_file_aux.rs

@@ -1,3 +1,3 @@
-//@ ignore-auxiliary (used by `./mod_file_with_path_attr.rs` and `mod_file.rs`)
+//@ ignore-auxiliary (used by `./mod_file_with_path_attr.rs` and `mod_file.rs` and `mod_file_correct_spans.rs`)
 
 pub fn foo() -> isize { 10 }