minor #26465 Default deleteFileAfterSend() to true (nowendwell)
minor #26465 Default deleteFileAfterSend() to true (nowendwell)

This PR was merged into the 4.1-dev branch.

Discussion
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Default deleteFileAfterSend() to true

This should default to true when called since there is only one option.

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | N/A
| Fixed tickets | N/A
| License       | MIT
| Doc PR        |

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* Defaults deleteFileAfterSend() to true
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Commits
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1de6f738ef Default deleteFileAfterSend() to true

symfony/HttpFoundation,symfony/http-foundation