Revert "fix ios error"
Revert "fix ios error"

This reverts commit 2c86d918866bb23a6c8b106623be4f12a01c7911.

wisdom-garden/cordova-plugin-file-transfer,wisdom-garden/cordova-plugin-file-transfer,wisdom-garden/cordova-plugin-file-transfer,wisdom-garden/cordova-plugin-file-transfer