remove NERDShutup and the associated message

doc/NERD_commenter.txt

@@ -436,8 +436,6 @@ then the script would do a sexy comment on the last visual selection.
 |'NERDRPlace'|                        Specifies what to use as the right
                                       delimiter placeholder when nesting
                                       comments.
-|'NERDShutUp'|                        Stops "Unknown filetype" output from the
-                                      script
 |'NERDSpaceDelims'|                   Specifies whether to add extra spaces
                                       around delimiters when commenting, and
                                       whether to remove them when
@@ -659,15 +657,6 @@ Default 1.
 This option is used to specify whether place-holder delimiters should be used
 when creating a nested comment.
 
-------------------------------------------------------------------------------
-                                                                  *'NERDShutUp'*
-Values: 0 or 1.
-Default 1.
-
-This option is used to prevent the script from echoing "Unknown filetype"
-messages.  Stick this line in your vimrc: >
-    let NERDShutUp=1
-<
 ------------------------------------------------------------------------------
                                                              *'NERDSpaceDelims'*
 Values: 0 or 1.
@@ -809,6 +798,7 @@ if your face looked like a toaster and a t-rex put together? :(
     - add support for javascript.jquery, thanks to Ivan Devat.
     - add support for cucumber and pdf. Fix sass and railslog delims,
       thanks to tpope
+    - remove the NERDShutup option and the message is suppresses
 
 2.2.1
     - add support for newlisp and clojure, thanks to Matthew Lee Hinman.

plugin/NERD_commenter.vim

@@ -60,7 +60,6 @@ call s:InitVariable("g:NERDUsePlaceHolders", 1)
 call s:InitVariable("g:NERDRemoveAltComs", 1)
 call s:InitVariable("g:NERDRemoveExtraSpaces", 1)
 call s:InitVariable("g:NERDRPlace", "<]")
-call s:InitVariable("g:NERDShutUp", '0')
 call s:InitVariable("g:NERDSpaceDelims", 0)
 call s:InitVariable("g:NERDDelimiterRequests", 1)
 
@@ -948,10 +947,6 @@ function s:SetUpForNewFiletype(filetype, forceReset)
         "we have not hardcoded the comment delimiters to use for this filetype so
         "get them from &commentstring.
     else
-        "print a disclaimer to the user :)
-        if !g:NERDShutUp
-            call s:NerdEcho("Unknown filetype '".a:filetype."', setting delimiters by &commentstring.\nPleeeeease email the author of the NERD commenter with this filetype\nand its delimiters!", 0)
-        endif
 
         "extract the delims from &commentstring
         let left= substitute(&commentstring, '\(.*\)%s.*', '\1', '')