Closes #2126 unify_joined: Remove too extensive documentation (#2237) #2731

Job	Run time
Get R version	1s
Links	0s
Check	0s
Version Bump 🤜🤛 / Bump version ⤴	37s
Man Pages	0s
Lint	0s
Spelling	0s
Code Style	0s
Check Templates	0s
Validation	0s
Render README / Render	1m 53s
Code Coverage / Test Coverage	3m 44s
Documentation / pkgdown	5m 16s
Code Coverage / Generate badge for coverage	6s
Documentation / Multi-version docs	0s
	11m 37s

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