docs(changelog): remove contributor thanks credit from docs and update skills (#1454)

docs/en/release-notes/changelog.md

@@ -25,9 +25,9 @@ This page documents the changes in each Kimi Code CLI release.
 - web: Fix the end of a reply staying missing after reopening a session.
 - web: Fix queued media messages not loading back into the composer and keep attachments when undoing a message.
 - web: Keep the composer toolbar from clipping its controls on narrow windows and phones, with the context ring staying visible at every width.
-- web: Fix the font size setting so chat text, composer text, and sidebar text follow the selected size. Thanks @justjavac!
+- web: Fix the font size setting so chat text, composer text, and sidebar text follow the selected size.
 - web: Fix an almost-invisible composer input caret and a washed-out strikethrough on completed todos.
-- web: Show the correct session search shortcut on Windows. Thanks @justjavac!
+- web: Show the correct session search shortcut on Windows.
 - Fix tool calling with Google Gemini models, including Gemini 3 thinking-signature round-trips across turns.
 
 ### Polish

docs/zh/release-notes/changelog.md

@@ -25,9 +25,9 @@ outline: 2
 - web: 修复重新打开会话后回复末尾仍然缺失的问题。
 - web: 修复排队的媒体消息无法重新载入输入框的问题，并在撤销消息时保留附件。
 - web: 修复窄窗口与手机上输入框工具栏控件被裁切的问题，context ring 在任意宽度下均保持可见。
-- web: 修复字体大小设置，使聊天文本、输入框文本与侧边栏文本均跟随所选字号。（感谢 @justjavac）
+- web: 修复字体大小设置，使聊天文本、输入框文本与侧边栏文本均跟随所选字号。
 - web: 修复输入框输入光标几乎不可见、已完成待办的删除线过于暗淡的问题。
-- web: 修复 Windows 上会话搜索快捷键显示不正确的问题。（感谢 @justjavac）
+- web: 修复 Windows 上会话搜索快捷键显示不正确的问题。
 - 修复 Google Gemini 模型的工具调用，包括 Gemini 3 跨轮次的 thinking signature 往返。
 
 ### 优化