fix: remove reference to ac_application and cc_application (resolves #2203)

[jobara]

Resovles #2203

Removes references to the old cc_application and ac_application settings.

Prerequisites

If this PR changes PHP code or dependencies:

• [x] I've run composer format and fixed any code formatting issues.
• [x] I've run composer analyze and addressed any static analysis issues.
• [x] I've run php artisan test and ensured that all tests pass.
• [x] I've run composer localize to update localization source files and committed any changes.

If this PR changes CSS or JavaScript code or dependencies:

• [ ] I've run npm run lint and fixed any linting issues.
• [ ] I've run npm run build and ensured that CSS and JavaScript assets can be compiled.

[codecov[bot]]

Codecov Report

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

Project coverage is 97.31%. Comparing base (65dc0dc) to head (1390a9e). Report is 1 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #2205 +/- ## ========================================= Coverage 97.31% 97.31% Complexity 2188 2188 ========================================= Files 338 338 Lines 9950 9950 ========================================= Hits 9683 9683 Misses 267 267 ```

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