BridgeJS: Remove BasicFormat usage in ExportSwift (#617) #2245

Job	Run time
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	2m 50s
format	34s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	13m 17s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	14m 8s
build-examples	24m 41s
check-bridgejs-generated	2m 35s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	13m 19s
Build for native target (macos-15, Xcode_16.4)	3m 4s
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	2m 59s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	17m 26s
deploy-examples	12s
	1h 35m 5s

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