Update strings.po

[Gently28]

The revision refers to the Windows 11 Chinese Simplified menu buttons and option titles, many places are still not perfect, modify it again and again!Characteristic: (1) Corrected the traditional and English characters that are currently left in MAME, such as 統 (统), 將 (将), (INI)（初始化）, etc., Figure 1 (2) Depending on the region, the name will be based on the mainland rather than Hong Kong and Taiwan, such as 画面(荧幕), 程序 (程式), 导出 (汇出), etc., Figure 2 (3) Delete duplicate redundant or unobstructed notes, etc., Figure 3 (4) Added the complete plug-in items that have not yet been integrated, Figure 4. Left Official Version Right Modified style

The processed Simplified Chinese language pack has been very popular on gaming websites in China, with 42 of the 91 new games added last month coming from mainland China, and they will donate more boards for the MAME project team to test!