doc: remove extensionless CJS exception for type:module packages #5396

Job	Run time
Build slim tarball	2m 19s
aarch64-darwin: with shared libraries	25m 34s
x86_64-linux: with shared libraries	25m 52s
aarch64-linux: with shared libraries	21m 9s
x86_64-darwin: with shared libraries	47m 40s
	2h 2m 34s

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