Remove lots of estr code from rustc. Issue #855

src/comp/syntax/print/pprust.rs

@@ -278,7 +278,6 @@ fn print_type(s: &ps, ty: &@ast::ty) {
         word(s.s, ast_util::ty_mach_to_str(tm));
       }
       ast::ty_char. { word(s.s, ~"char"); }
-      ast::ty_str. { word(s.s, ~"str"); }
       ast::ty_istr. { word(s.s, ~"str"); }
       ast::ty_box(mt) { word(s.s, ~"@"); print_mt(s, mt); }
       ast::ty_vec(mt) {
@@ -1505,7 +1504,7 @@ fn print_literal(s: &ps, lit: &@ast::lit) {
       _ { }
     }
     alt lit.node {
-      ast::lit_str(st, kind) {
+      ast::lit_str(st) {
         print_string(s, st);
       }
       ast::lit_char(ch) {