Remove npm/rules_js dependency for C++ only use cases #5801

Job	Run time
Build Linux (g++-13)	50s
Build Linux (clang++-15)	39s
Build Windows C++ (11)	3m 37s
Build Linux with -DFLATBUFFERS_NO_FILE_TESTS	52s
Build Windows C++ (14)	3m 29s
Build Linux C++ (11, g++-13)	51s
Build Windows C++ (17)	4m 40s
Build Linux C++ (11, clang++-15)	46s
Build Windows C++ (20)	5m 1s
Build Linux with out-of-source build location	39s
Build Linux C++ (14, g++-13)	32s
Build Windows 2017	4m 52s
Build Windows C++ (23)	7m 1s
Build Linux C++ (14, clang++-15)	52s
Build Linux C++ (17, g++-13)	33s
Build Mac (universal build)	5m 16s
Build Linux C++ (17, clang++-15)	52s
Build Mac (for Intel)	1m 21s
Build Linux C++ (20, g++-13)	35s
Build .NET Windows	1m 10s
Build Linux C++ (20, clang++-15)	39s
Build Windows 2019	4m 50s
Build .NET Windows (-p:UnsafeByteBuffer=true)	1m 15s
Build Windows 2015	3m 20s
Build Linux C++ (23, g++-13)	36s
Build Android (on Linux)	3m 26s
Build Benchmarks (on Linux) (g++-13)	1m 6s
Check Generated Code (g++-13)	46s
Check Generated Code on Windows	4m 25s
Check Generated Code (clang++-15)	29s
Build Java	21s
Build Kotlin Linux	2m 16s
Build Kotlin MacOS	6m 27s
Build Dart	41s
Build Go	44s
Build PHP	22s
Build Python	26s
Build Rust Windows	1m 12s
Build Rust Linux	1m 8s
Build Swift	1m 14s
Build Swift Wasm	1m 20s
Build TS	45s
Build Nim	34s
release-digests	0s
provenance	0s
	1h 22m 50s

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