Removing imports of std::vec_ng::Vec

It's now in the prelude.

src/librustc/back/archive.rs

@@ -16,7 +16,6 @@ use metadata::filesearch;
 use lib::llvm::{ArchiveRef, llvm};
 
 use std::cast;
-use std::vec::Vec;
 use std::io;
 use std::io::{fs, TempDir};
 use std::libc;

src/librustc/back/link.rs

@@ -33,7 +33,6 @@ use std::ptr;
 use std::str;
 use std::io;
 use std::io::{fs, TempDir, Process};
-use std::vec::Vec;
 use flate;
 use serialize::hex::ToHex;
 use syntax::abi;
@@ -105,7 +104,6 @@ pub mod write {
     use std::io::Process;
     use std::libc::{c_uint, c_int};
     use std::str;
-    use std::vec::Vec;
 
     // On android, we by default compile for armv7 processors. This enables
     // things like double word CAS instructions (rather than emulating them)

src/librustc/back/mips.rs

@@ -11,7 +11,6 @@
 use back::target_strs;
 use driver::session::sess_os_to_meta_os;
 use metadata::loader::meta_section_name;
-use std::vec::Vec;
 use syntax::abi;
 
 pub fn get_target_strs(target_triple: ~str, target_os: abi::Os) -> target_strs::t {

src/librustc/back/rpath.rs

@@ -15,7 +15,6 @@ use metadata::filesearch;
 
 use collections::HashSet;
 use std::{os, slice};
-use std::vec::Vec;
 use syntax::abi;
 
 fn not_win32(os: abi::Os) -> bool {

src/librustc/back/target_strs.rs

@@ -10,8 +10,6 @@
 
 #[allow(non_camel_case_types)];
 
-use std::vec::Vec;
-
 pub struct t {
     module_asm: ~str,
     meta_sect_name: ~str,