Merge #4493

4493: Update Chinese translations (by cheeser0613) r=heinrich5991 a=def-

<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: def <dennis@felsin9.de>

data/languages/simplified_chinese.txt

@@ -14,6 +14,7 @@
 # 2021-05-27 Momo
 # 2021-06-01 TsFreddie
 # 2021-11-19 cheeser0613
+# 2021-12-21 cheeser0613
 ##### /authors #####
 
 ##### translated strings #####
@@ -1350,13 +1351,13 @@ Show local player's key presses
 == 显示周围玩家的按键输入
 
 Settings file
-== 
+== 设置文件
 
 Config directory
-== 
+== 配置目录 (cfg)
 
 Run on join
-== 
+== 加入时执行
 
 Chat command (e.g. showall 1)
-== 
+== 聊天指令 (例如: showall 1)

data/languages/traditional_chinese.txt

@@ -7,6 +7,7 @@
 # 2020-11-12 TsFreddie
 # 2021-06-01 TsFreddie
 # 2021-11-19 cheeser0613
+# 2021-12-21 cheeser0613
 ##### /authors #####
 
 ##### translated strings #####
@@ -1343,13 +1344,13 @@ Show local player's key presses
 == 顯示周圍玩家的按鍵輸入
 
 Settings file
-== 
+== 設定文件
 
 Config directory
-== 
+== 配置目錄 (cfg)
 
 Run on join
-== 
+== 加入時執行
 
 Chat command (e.g. showall 1)
-== 
+== 聊天指令 (例如: showall 1)