rustc: Remove deprecated lint names

These were all renamed quite some time ago, so remove their old names from the
compiler.

src/test/compile-fail/lint-renaming.rs

@@ -1,16 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// Check that lint deprecation works
-
-#[deny(unused_variable)] //~ warning: lint unused_variable has been renamed to unused_variables
-pub fn main() {
-    let x = 0u8; //~ error: unused variable:
-}

src/test/compile-fail/lint-type-limits.rs

@@ -10,7 +10,7 @@
 
 #![allow(dead_code)]
 
-// compile-flags: -D type-limits
+// compile-flags: -D unused-comparisons
 fn main() { }
 
 fn foo() {

src/test/compile-fail/warn-path-statement.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -D path-statement
+// compile-flags: -D path-statements
 fn main() {
 
     let x = 10is;

src/test/run-pass/crate-name-attr-used.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags:--crate-name crate-name-attr-used -F unused-attribute
+// compile-flags:--crate-name crate-name-attr-used -F unused-attributes
 
 #![crate_name = "crate-name-attr-used"]
 

src/test/run-pass/warn-ctypes-inhibit.rs

@@ -8,9 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags:-D ctypes
+// compile-flags:-D improper-ctypes
 
-#![allow(ctypes)]
+#![allow(improper_ctypes)]
 
 mod libc {
     extern {