fix: remove the logic for skipCopyTnsModules and skipCopyAppResourcesFiles

[Fatme]

skipCopyTnsModules and skipCopyAppResourcesFiles were introduced in order to satisfy the needs of preview app. As the preview doesn't prepare the project anymore, we don't need this logic.

PR Checklist

• The PR title follows our guidelines: https://github.com/NativeScript/NativeScript/blob/master/CONTRIBUTING.md#commit-messages.
• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
• You have signed the CLA.
• All existing tests are passing: https://github.com/NativeScript/nativescript-cli/blob/master/CONTRIBUTING.md#contribute-to-the-code-base
• Tests for the changes are included.

What is the current behavior?

There is logic for skipCopyTnsModules and skipCopyAppResourcesFiles.

What is the new behavior?

There is no logic for skipCopyTnsModules and skipCopyAppResourcesFiles.

Introduced here 5986b60

[Fatme]

run ci

[miroslavaivanova]

run ci

[miroslavaivanova]

run ci

[miroslavaivanova]

run ci

[dtopuzov]

run ci

[dtopuzov]

run ci

[dtopuzov]

test