Update __init__.py

Remove Multi-view

Author: woshimajintao

annotation_tool/ui/classification/media_player/__init__.py

@@ -33,11 +33,8 @@ def __init__(self, parent=None):
         self.prev_clip = self.controls.prev_clip
         self.next_clip = self.controls.next_clip
         self.next_action = self.controls.next_action
-        self.multi_view_btn = self.controls.multi_view_btn
 
     # =========================================================
-    # [新增] 补充缺失的接口方法，修复 AttributeError
-    # =========================================================
 
     def show_single_view(self, path):
         """
@@ -63,4 +60,4 @@ def show_all_views(self, paths):
         """
         if paths:
             # Fallback: Just show the first video in single view for now
-            self.show_single_view(paths[0])
+            self.show_single_view(paths[0])