remove failing doctests pending investigation #344

Job	Run time
Julia 1.9 - ubuntu-latest - x64	2m 55s
Documentation	7m 43s
Julia 1.9 - macos-latest - x64	4m 44s
Julia 1.9 - windows-latest - x64	4m 33s
Julia 1 - ubuntu-latest - x64	2m 48s
Julia 1 - macos-latest - x64	3m 54s
Julia 1 - windows-latest - x64	4m 29s
Julia nightly - ubuntu-latest - x64	3m 41s
Julia nightly - macos-latest - x64	4m 5s
Julia nightly - windows-latest - x64	4m 57s
	43m 49s

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