Remove pretty-expanded from tests that use format_args!

Now that the internals of `format_args!` are unstable, tests that use it
don't compile after pretty-printing (unless they also declare the necessary
feature).

Author: rprichard

src/test/run-pass/c-stack-returning-int64.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 
-// pretty-expanded FIXME #23616
 
 #![feature(libc, std_misc)]
 

src/test/run-pass/capturing-logging.rs

@@ -10,7 +10,6 @@
 
 // exec-env:RUST_LOG=info
 
-// pretty-expanded FIXME #23616
 
 #![allow(unknown_features)]
 #![feature(box_syntax, old_io, rustc_private, std_misc)]

src/test/run-pass/clone-with-exterior.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pretty-expanded FIXME #23616
 
 #![allow(unknown_features)]
 #![feature(box_syntax, std_misc)]

src/test/run-pass/exponential-notation.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pretty-expanded FIXME #23616
 
 #![feature(std_misc)]
 

src/test/run-pass/float-nan.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pretty-expanded FIXME #23616
 
 #![feature(std_misc)]
 

src/test/run-pass/foreign-fn-linkname.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 
-// pretty-expanded FIXME #23616
 
 #![feature(std_misc, libc)]
 

src/test/run-pass/issue-11881.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pretty-expanded FIXME #23616
 
 #![feature(rustc_private, old_io)]
 

src/test/run-pass/issue-20676.rs

@@ -12,7 +12,6 @@
 // UFCS-style calls to a method in `Trait` where `Self` was bound to a
 // trait object of type `Trait`. See also `ufcs-trait-object.rs`.
 
-// pretty-expanded FIXME #23616
 
 use std::fmt;
 

src/test/run-pass/item-attributes.rs

@@ -12,7 +12,6 @@
 // for completeness since .rs files linked from .rc files support this
 // notation to specify their module's attributes
 
-// pretty-expanded FIXME #23616
 
 #![feature(custom_attribute, libc)]
 #![allow(unused_attribute)]

src/test/run-pass/rust-log-filter.rs

@@ -10,7 +10,6 @@
 
 // exec-env:RUST_LOG=rust_log_filter/foo
 
-// pretty-expanded FIXME #23616
 
 #![allow(unknown_features)]
 #![feature(box_syntax, std_misc, rustc_private)]