Use sync fs.unlink
Use sync fs.unlink

This ensures that errors get properly handled.

BranchMetrics/react-native-branch,BranchMetrics/react-native-branch,BranchMetrics/react-native-branch-deep-linking,BranchMetrics/react-native-branch,BranchMetrics/react-native-branch-deep-linking,BranchMetrics/react-native-branch,BranchMetrics/react-native-branch-deep-linking,BranchMetrics/react-native-branch,BranchMetrics/react-native-branch,BranchMetrics/react-native-branch-deep-linking