sane-tag-music: refactor: remove extraneous "Various Artists" check

pkgs/additional/sane-scripts/src/sane-tag-music

@@ -375,21 +375,13 @@ class Tags:
             self.artist = self.albumartist
 
     def demote_producer(self) -> None:
-        """
-        "Various Artists" is used for an album when i don't have a better grouping for it.
-        i should avoid setting it in the producer field when possible, so that if i locate the album artist
-        and fix the album artist that doesn't compete with an outdated "producer"
-        """
-        if self.albumartist == [ "Various Artists" ] and self.producer == [ "Various Artists" ]:
-            self.producer = []
-
-        if self.producer == self.albumartist:
-            # it's mostly just noise to have producer when not actually needed
-            self.producer = []
-
         producers = []
         for p in self.producer:
+            if self.albumartist == [ p ]:
+                # it's mostly just noise to have producer when not actually needed
+                continue
             if any(soft.lower() in p.lower() for soft in KNOWN_SOFTWARE_PRODUCERS):
+                # software like Adobe usee the "producer" field for itself
                 continue
             producers.append(p)
         self.producer = producers