Remove deprecation DEPPS7: Remove file trigger syntax `Parse.Cloud.beforeSaveFile((request) => {})`

[mtrezza]

New Feature / Enhancement Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.

Feature / Enhancement Description

Remove deprecation DEPPS7: Remove file trigger syntax Parse.Cloud.beforeSaveFile((request) => {})

References

#7966

[parse-github-assistant]

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[parseplatformorg]

🎉 This change has been released in version 7.0.0-alpha.15

[parseplatformorg]

🎉 This change has been released in version 7.0.0-beta.1

[parseplatformorg]

🎉 This change has been released in version 7.0.0