移除 operit 相关插件: 删除 operit_bridge 和 plugins/operit/ 脚本

- 删除 plugins/operit/ 目录（47 个 Operit 脚本）
- 删除 plugins/operit_bridge.py
- 删除 tests/test_operit_bridge.py
- plugins_config.py: 移除 ENABLE_OPERIT_BRIDGE
- plugin_registry.json: 移除 operit_bridge 注册
- README.md: 更新插件计数和项目结构
- CHANGELOG.md: 移除 operit 相关条目

plugin_registry.json

@@ -25,26 +25,7 @@
         "脉冲"
       ]
     },
-    "operit_bridge": {
-      "name": "Operit Bridge 双向工具桥接",
-      "description": "让 xiaoli-cli 兼容 Operit AI 的第三方工具格式，支持解析/加载/导出 Operit METADATA 脚本",
-      "author": "xiaoli-cli",
-      "version": "1.0.0",
-      "file": "operit_bridge.py",
-      "url": "",
-      "docs": "",
-      "deps": [],
-      "optional_deps": [],
-      "keywords": [
-        "operit",
-        "bridge",
-        "桥接",
-        "兼容",
-        "格式转换",
-        "METADATA",
-        "插件互通"
-      ]
-    },
+    
     "onebot": {
       "name": "OneBot v11 QQ 机器人",
       "description": "让 xiaoli-cli 成为 QQ 机器人，连接 go-cqhttp/Lagrange/LLOneBot 等 OneBot 实现",