remove unnecessary files, and fixup includes to avoid use of %{C++

mailnews/news/public/MANIFEST

@@ -16,16 +16,6 @@
 # This is a list of local files which get copied to the mozilla:dist:mailnews directory
 #
 
-#[installed by xpidl] nsINNTPNewsgroupList.h
-#[installed by xpidl] nsINNTPCategory.h
-#[installed by xpidl] nsINNTPCategoryContainer.h
-#[installed by xpidl] nsINNTPHost.h
-#[installed by xpidl] nsINNTPNewsgroup.h
-#[installed by xpidl] nsIMsgOfflineNewsState.h
-#[installed by xpidl] nsINNTPArticleList.h
-#[installed by xpidl] nsINntpService.h
-#[installed by xpidl] nsINntpIncomingServer.h
-
 nsINNTPNewsgroupPost.h
 nsINNTPProtocol.h
 nsINntpUrl.h

mailnews/news/public/nsINNTPHost.idl

@@ -18,10 +18,8 @@
 
 #include "nsISupports.idl"
 
-%{ C++
-#include "nsINNTPNewsgroup.h"
-#include "nsINNTPNewsgroupList.h"
-%}
+#include "nsINNTPNewsgroup.idl"
+#include "nsINNTPNewsgroupList.idl"
 
 interface nsINNTPNewsgroup;
 interface nsINNTPNewsgroupList;

mailnews/news/public/nsINNTPNewsgroup.idl

@@ -25,9 +25,9 @@
 
 
 #include "nsISupports.idl"
+#include "nsINNTPNewsgroupList.idl"
 
 %{ C++
-#include "nsINNTPNewsgroupList.h"
 #include "nsMsgKeySet.h"
 %}
 

mailnews/news/public/nsINNTPNewsgroupList.idl

@@ -22,10 +22,8 @@
  * to destroy the DBView)
  */
 #include "nsISupports.idl"
-
-%{ C++
-#include "nsINNTPHost.h"
-%}
+#include "nsINNTPHost.idl"
+#include "nsINNTPNewsgroup.idl"
 
 interface nsINNTPHost;
 interface nsINNTPNewsgroup;