Un-XFAIL various tests in stage0

src/test/bench/99-bottles/99bob-iter.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 /* -*- mode:rust;indent-tabs-mode:nil -*- 
  * Implementation of 99 Bottles of Beer
  * http://99-bottles-of-beer.net/

src/test/bench/99-bottles/99bob-pattern.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 /* -*- mode:rust;indent-tabs-mode:nil -*- 
  * Implementation of 99 Bottles of Beer
  * http://99-bottles-of-beer.net/

src/test/bench/99-bottles/99bob-simple.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 /* -*- mode:rust;indent-tabs-mode:nil -*- 
  * Implementation of 99 Bottles of Beer
  * http://99-bottles-of-beer.net/

src/test/bench/99-bottles/99bob-tail.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 /* -*- mode:rust;indent-tabs-mode:nil -*- 
  * Implementation of 99 Bottles of Beer
  * http://99-bottles-of-beer.net/

src/test/bench/shootout/binarytrees.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 use std;
 
 import std._int;

src/test/bench/shootout/fannkuchredux.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 // Based on Isaac Gouy's fannkuchredux.csharp
 
 use std;

src/test/run-pass/expr-block-generic-box2.rs

@@ -1,5 +1,4 @@
 // xfail-boot
-// xfail-stage0
 // -*- rust -*-
 
 type compare[T] = fn(&T t1, &T t2) -> bool;

src/test/run-pass/rt-circular-buffer.rs

@@ -1,4 +1,3 @@
-// xfail-stage0
 // -*- rust -*-
 
 // Regression tests for circular_buffer when using a unit