Fixed typo in zh-CN translation.

[IlysvlVEizbr]

What does this implement/fix? Please describe.

• Replace Traditional Chinese characters mixed in Simplified Chinese strings.
• Changing "county_code_title" from "country" to "country (or region)" in Simplified Chinese. This helps comply with local regulations.

Does this close any currently open issues?

• No related issues.

Additional context

• Optional suggestion: Changing "county_code_title" from "country" to "country (or region)" in some other languages may help reduce disputes and comply with local laws and regulations.

Where has this been tested?

• Untested and not involving program logic.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.67%. Comparing base (d51dfc5) to head (264eeb4).
Report is 5 commits behind head on feature.

Additional details and impacted files

@@            Coverage Diff             @@
##             feature     #484   +/-   ##
==========================================
  Coverage      92.67%   92.67%           
  Complexity       897      897           
==========================================
  Files            131      131           
  Lines           2459     2459           
  Branches         228      228           
==========================================
  Hits            2279     2279           
  Misses            44       44           
  Partials         136      136