Simplified error string for publishing, part of b=126258, r=andreww, sr=dveditz, a=asa, adt1.0.0+

editor/ui/composer/locale/en-US/editor.properties

@@ -56,7 +56,7 @@ SaveFileFailed=Saving file failed!
 PublishFailed=Publishing failed!
 PublishNoAccess=No access to 
 # LOCALIZATION NOTE (PublishDirFailed): Don't translate %dir%
-PublishDirFailed=The subdirectory %dir% doesn't exist at this site.
+PublishDirFailed=%dir% doesn't exist at this site
 PublishCompleted=Publishing completed
 PublishSomeFileFailed=Some files failed to publish
 PublishFTPUsernamePrompt=Please supply both user name and password when using FTP to publish.