Update emacs and vi modes.

Author: nikomatsakis

src/etc/emacs/rust-mode.el

@@ -174,7 +174,7 @@
     "if" "impl" "in"
     "let" "loop"
     "match" "mod" "move" "mut"
-    "priv" "proc" "pub"
+    "priv" "pub"
     "ref" "return"
     "self" "static" "struct" "super"
     "true" "trait" "type"

src/etc/vim/syntax/rust.vim

@@ -24,7 +24,7 @@ syn keyword   rustKeyword     continue
 syn keyword   rustKeyword     extern nextgroup=rustExternCrate,rustObsoleteExternMod skipwhite skipempty
 syn keyword   rustKeyword     fn nextgroup=rustFuncName skipwhite skipempty
 syn keyword   rustKeyword     for in if impl let
-syn keyword   rustKeyword     loop once proc pub
+syn keyword   rustKeyword     loop once pub
 syn keyword   rustKeyword     return super
 syn keyword   rustKeyword     unsafe virtual where while
 syn keyword   rustKeyword     use nextgroup=rustModPath skipwhite skipempty