libsyntax: Make drop no longer a keyword

Author: pcwalton

src/libsyntax/parse/token.rs

@@ -547,7 +547,6 @@ pub mod keywords {
         Const,
         Copy,
         Do,
-        Drop,
         Else,
         Enum,
         Extern,
@@ -591,7 +590,6 @@ pub mod keywords {
                    Const => ident { repr: 37, ctxt: 0 },
                    Copy => ident { repr: 38, ctxt: 0 },
                    Do => ident { repr: 39, ctxt: 0 },
-                   Drop => ident { repr: 40, ctxt: 0 },
                    Else => ident { repr: 41, ctxt: 0 },
                    Enum => ident { repr: 42, ctxt: 0 },
                    Extern => ident { repr: 43, ctxt: 0 },