Remove chunkFile

[thomasttvo]

This function is already moved to diana so the one here is no longer used. It's time to remove it.

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Note

Removes the chunkFile API and its native implementations from JS, Android, and iOS.

• API/Types:
  • Remove chunkFile from src/index.ts and lib/index.d.ts exports.
• Android:
  • Delete android/src/main/java/com/vydia/RNUploader/ChunkUtils.kt and the @ReactMethod chunkFile in UploaderModule.kt.
• iOS:
  • Remove RCT_EXPORT_METHOD(chunkFile:...) implementation from ios/VydiaRNFileUploader.m.

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