remove dead code. #92960. rs=mscott

mailnews/base/resources/content/MANIFEST

@@ -52,8 +52,6 @@ messengerdnd.js
 mailContextMenus.js
 msgPrintEngine.js
 msgPrintEngine.xul
-openSaveAttachment.xul
-openSaveAttachment.js
 mailTasksOverlay.xul
 mailNavigatorOverlay.xul
 mailEditorOverlay.xul

mailnews/base/resources/content/makefile.win

@@ -63,8 +63,6 @@ CHROME_CONTENT = \
 	.\mailContextMenus.js \
 	.\msgPrintEngine.js \
 	.\msgPrintEngine.xul \
-	.\openSaveAttachment.xul \
-	.\openSaveAttachment.js \
 	.\mailTasksOverlay.xul \
 	.\mailNavigatorOverlay.xul \
 	.\mailEditorOverlay.xul \

mailnews/jar.mn

@@ -124,8 +124,6 @@ messenger.jar:
     content/messenger/mailContextMenus.js                                      (base/resources/content/mailContextMenus.js)
     content/messenger/msgPrintEngine.js                                        (base/resources/content/msgPrintEngine.js)
     content/messenger/msgPrintEngine.xul                                       (base/resources/content/msgPrintEngine.xul)
-    content/messenger/openSaveAttachment.xul                                   (base/resources/content/openSaveAttachment.xul)
-    content/messenger/openSaveAttachment.js                                    (base/resources/content/openSaveAttachment.js)
     content/messenger/mailTasksOverlay.xul                                     (base/resources/content/mailTasksOverlay.xul)
     content/messenger/mailNavigatorOverlay.xul                                 (base/resources/content/mailNavigatorOverlay.xul)
     content/messenger/mailEditorOverlay.xul                                    (base/resources/content/mailEditorOverlay.xul)