another readme cleanup #434

Job	Run time
Documentation	4m 8s
Julia 1.7 - ubuntu-latest - x64 - push	9m 23s
Julia 1.7 - ubuntu-latest - x64 - push	7m 15s
Julia 1.7 - macOS-latest - x64 - push	10m 36s
Julia 1.7 - macOS-latest - x64 - push	10m 47s
Julia 1.7 - windows-latest - x64 - push	9m 17s
Julia 1.7 - windows-latest - x64 - push	9m 24s
Julia 1.8 - ubuntu-latest - x64 - push	7m 40s
Julia 1.8 - ubuntu-latest - x64 - push	7m 33s
Julia 1.8 - macOS-latest - x64 - push	10m 20s
Julia 1.8 - macOS-latest - x64 - push	9m 11s
Julia 1.8 - windows-latest - x64 - push	9m 28s
Julia 1.8 - windows-latest - x64 - push	9m 51s
Julia 1.9 - ubuntu-latest - x64 - push	5m 43s
Julia 1.9 - ubuntu-latest - x64 - push	7m 3s
Julia 1.9 - macOS-latest - x64 - push	8m 6s
Julia 1.9 - macOS-latest - x64 - push	4m 48s
Julia 1.9 - windows-latest - x64 - push	7m 47s
Julia 1.9 - windows-latest - x64 - push	8m 17s
Julia nightly - ubuntu-latest - x64 - push	25s
Julia nightly - macOS-latest - x64 - push	59s
Julia nightly - windows-latest - x64 - push	1m 14s
	2h 39m 15s

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