Drop code fixing fingerprint column size after unlock

- it has an off-by-one error so it is always executed on unlock, though it was intended to not be for last column
- disabling it doesn't seem to cause any issue, locking/unlocking doesn't seem to affect sizes anyway

picard/ui/itemviews.py

@@ -525,9 +525,6 @@ def on_sort_indicator_changed(self, index, order):
 
     def lock(self, is_locked):
         super().lock(is_locked)
-        column_index = self.panel.columns.pos('~fingerprint')
-        if not self.is_locked and self.count() > column_index:
-            self.setSectionResizeMode(column_index, QtWidgets.QHeaderView.ResizeMode.Fixed)
 
 
 class BaseTreeView(QtWidgets.QTreeWidget):