Miscellaneous cleanup for old issues.

src/librustdoc/lib.rs

@@ -211,7 +211,7 @@ pub fn main_args(args: &[String]) -> isize {
         for &(name, _, description) in PASSES {
             println!("{:>20} - {}", name, description);
         }
-        println!("{}", "\nDefault passes for rustdoc:"); // FIXME: #9970
+        println!("\nDefault passes for rustdoc:");
         for &name in DEFAULT_PASSES {
             println!("{:>20}", name);
         }