Rework to avoid using preferences object to retrieve options

cli/src/main/java/com/github/gtache/autosubtitle/cli/Cli.java

@@ -23,7 +23,7 @@ public final class Cli implements Runnable {
     private String subtitleConverter;
     @CommandLine.Option(names = {"-c", "--video-converter"}, description = "The video converter to use [ffmpeg]", defaultValue = "ffmpeg")
     private String videoConverter;
-    @CommandLine.Option(names = {"--translations"}, description = "The list of translations to create. Ignored if burn is specified", split = ",", arity = "0..*")
+    @CommandLine.Option(names = "--translations", description = "The list of translations to create. Ignored if burn is specified", split = ",", arity = "0..*")
     private Set<String> translations;
     @CommandLine.Option(names = {"-t", "--translator"}, description = "The translator to use [deepl]. Ignored if burn is specified", defaultValue = "deepl")
     private String translator;