remove redundant CPAL name removal code

Lib/fontTools/subset/__init__.py

@@ -2586,25 +2586,10 @@ def prune_post_subset(self, font, options):
 
     if self.version == 1:
         kept_labels = []
-        dropped_labels = []
         for i, label in enumerate(self.paletteEntryLabels):
             if i in retained_palette_indices:
                 kept_labels.append(label)
-            else:
-                dropped_labels.append(label)
         self.paletteEntryLabels = kept_labels
-        # Remove dropped labels from the name table.
-        name_table = font["name"]
-        name_table.names = [
-            n
-            for n in name_table.names
-            if (
-                n.nameID not in dropped_labels
-                # Only remove nameIDs in the user range and if they're not explicitly kept
-                or n.nameID < 256
-                or n.nameID in options.name_IDs
-            )
-        ]
     return bool(self.numPaletteEntries)