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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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 ```