feat: 1520 gtfs validator desktop app deprecation

[qcdyx]

Summary:
Closes #1520

Expected behavior:

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• Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• Linked all relevant issues
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[github-actions]

This contribution does not follow the conventions set by the Google Java style guide. Please run the following command line at the root of the project to fix formatting errors: ./gradlew goJF.

[github-actions]

This contribution does not follow the conventions set by the Google Java style guide. Please run the following command line at the root of the project to fix formatting errors: ./gradlew goJF.

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
0 out of 1439 sources (~0 %) are corrupted.
Commit: b4c2c92
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.

[github-actions]

This contribution does not follow the conventions set by the Google Java style guide. Please run the following command line at the root of the project to fix formatting errors: ./gradlew goJF.

[davidgamez]

LGTM!

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
0 out of 1439 sources (~0 %) are corrupted.
Commit: c8b2af2
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1439 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
0 out of 1439 sources (~0 %) are corrupted.
Commit: 545febb
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1470 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1470 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1470 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1470 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
0 out of 1470 sources (~0 %) are corrupted.
Commit: 4cd5716
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.