Remove pretty-expanded from failing tests

This commit removes pretty-expanded from all tests that wind up calling panic!
one way or another now that its internals are unstable.

Author: alexcrichton

src/test/run-pass-fulldeps/rename-directory.rs

@@ -12,7 +12,6 @@
 // because it needs TempDir, which is in extra
 
 // ignore-android
-// pretty-expanded FIXME #23616
 
 #![feature(rustc_private, path_ext)]
 

src/test/run-pass/argument-passing.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 
-// pretty-expanded FIXME #23616
 
 struct X {
     x: isize

src/test/run-pass/arith-2.rs

@@ -10,7 +10,6 @@
 
 
 
-// pretty-expanded FIXME #23616
 
 pub fn main() {
     let i32_c: isize = 0x10101010;

src/test/run-pass/arith-unsigned.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(type_limits)]
 

src/test/run-pass/artificial-block.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pretty-expanded FIXME #23616
 
 fn f() -> isize { { return 3; } }
 

src/test/run-pass/as-precedence.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// pretty-expanded FIXME #23616
 
 fn main() {
     assert_eq!(3 as usize * 3, 9);

src/test/run-pass/asm-in-out-operand.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(asm)]
 

src/test/run-pass/asm-out-assign.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(asm)]
 

src/test/run-pass/assign-assign.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 // Issue 483 - Assignment expressions result in nil
-// pretty-expanded FIXME #23616
 
 fn test_assign() {
     let mut x: isize;

src/test/run-pass/assignability-trait.rs

@@ -12,7 +12,6 @@
 // making method calls, but only if there aren't any matches without
 // it.
 
-// pretty-expanded FIXME #23616
 
 #![feature(unboxed_closures)]