fix duplicate entries

package/Config.in

@@ -451,8 +451,6 @@ source "package/libmad/Config.in"
 source "package/libmad/Config.in.lib"
 source "package/libmms/Config.in"
 source "package/libmms/Config.in.lib"
-source "package/mysql/Config.in"
-source "package/mysql/Config.in.lib"
 source "package/ncurses/Config.in"  
 source "package/ncurses/Config.in.lib" 
 source "package/neon/Config.in"