reformatted rustdoc/cross-crate-info, fixing trailing newline issue

tests/rustdoc/cross-crate-info/write-docs-somewhere-else/auxiliary/f.rs

@@ -1,5 +1,3 @@
 //@ build-aux-docs
 //@ unique-doc-out-dir
-
-
 pub trait Foxtrot {}

tests/rustdoc/cross-crate-info/write-docs-somewhere-else/e.rs

@@ -1,6 +1,5 @@
 //@ aux-build:f.rs
 //@ build-aux-docs
-
 //@ has e/enum.Echo.html
 //@ !has f/trait.Foxtrot.html
 //@ hasraw e/enum.Echo.html 'Foxtrot'
@@ -10,7 +9,6 @@
 
 // test the fact that our test runner will document this crate somewhere
 // else
-
 extern crate f;
 pub enum Echo {}
 impl f::Foxtrot for Echo {}