Remove unnecessary `_JSObjectProtocol` #1182

Job	Run time
Build for embedded target (ubuntu-22.04, DEVELOPMENT-SNAPSHOT-2024-09-25-a)	50s
Build for native target (macos-14, Xcode_15.2)	18s
Build and Test (macos-12, wasm-5.9.1-RELEASE, Node, Xcode_13.4.1.app)	4m 46s
Build for native target (macos-15, Xcode_16)	17s
Build and Test (macos-13, wasm-5.9.1-RELEASE, Node, Xcode_14.3.app)	4m 56s
Build and Test (macos-14, wasm-5.9.1-RELEASE, Node, Xcode_15.2.app)	2m 17s
Build and Test (ubuntu-22.04, wasm-5.9.1-RELEASE, Node)	1m 50s
Build and Test (ubuntu-22.04, wasm-5.10.0-RELEASE, Node)	1m 40s
Build and Test (ubuntu-20.04, wasm-5.8.0-RELEASE, Node)	1m 26s
Build and Test (ubuntu-20.04, wasm-5.10.0-RELEASE, Node)	1m 39s
Build and Test (ubuntu-20.04, wasm-5.8.0-RELEASE, MicroWASI)	1m 20s
Build and Test (ubuntu-20.04, wasm-5.9.1-RELEASE, MicroWASI)	1m 44s
Build and Test (ubuntu-20.04, wasm-5.10.0-RELEASE, MicroWASI)	1m 36s
Build and Test (ubuntu-22.04, DEVELOPMENT-SNAPSHOT-2024-06-13-a, DEVELOPMENT-SNAPSHOT-2024-06-14-...	2m 22s
Build and Test (ubuntu-22.04, DEVELOPMENT-SNAPSHOT-2024-06-13-a, DEVELOPMENT-SNAPSHOT-2024-06-14-...	2m 15s
	29m 16s

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