docs(filters): remove language switchers and legacy references from folder-memory docs

docs/plugins/filters/folder-memory.md

@@ -5,7 +5,7 @@
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 ### 📌 What's new in 0.1.0
-- **Initial Release**: Refactored from `folder-rule-collector` to focus on automated "Project Rules" management.
+- **Initial Release**: Automated "Project Rules" management for OpenWebUI folders.
 - **Folder-Level Persistence**: Automatically updates folder system prompts with extracted rules.
 - **Optimized Performance**: Runs asynchronously and supports `PRIORITY` configuration for seamless integration with other filters.
 

docs/plugins/filters/folder-memory.zh.md

@@ -5,7 +5,7 @@
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 ### 📌 0.1.0 版本特性
-- **首个版本发布**：从 `folder-rule-collector` 重构而来，专注于自动化的“项目规则”管理。
+- **首个版本发布**：专注于自动化的“项目规则”管理。
 - **文件夹级持久化**：自动将提取的规则回写到文件夹系统提示词中。
 - **性能优化**：采用异步处理机制，并支持 `PRIORITY` 配置，确保与其他过滤器（如上下文压缩）完美协作。