6607048: clear extra l10n resource files in demo

Reviewed-by: naoto, yhuang

src/share/demo/jfc/Notepad/resources/Notepad_fr.properties

-#
-# Resource strings for Notepad example
-
-Title=Notepad
-
-# Menu labels
-fileLabel=Fichier
-openLabel=Ouvrir
-newLabel=Nouveau
-saveLabel=Sauver
-exitLabel=Quitter
-
-editLabel=Edition
-cutLabel=Couper
-copyLabel=Copier
-pasteLabel=Coller
-

src/share/demo/jfc/Notepad/resources/Notepad_sv.properties

-#
-# Resource strings for Notepad example
-
-Title=Notepad
-
-# Menu labels
-fileLabel=Arkiv
-openLabel=ppna
-newLabel=Ny
-saveLabel=Spara
-exitLabel=Avsluta
-
-editLabel=Redigera
-cutLabel=Klippa
-copyLabel=Kopiera
-pasteLabel=Klistra
-