docs: Remove Insiders links #625

Job	Run time
quality (windows-latest, 3.10)	52s
quality (macos-latest, 3.14)	1m 0s
quality (ubuntu-latest, 3.11)	25s
quality (ubuntu-latest, 3.10)	27s
quality (windows-latest, 3.14)	1m 18s
quality (ubuntu-latest, 3.14)	41s
quality (ubuntu-latest, 3.13)	43s
quality (ubuntu-latest, 3.12)	26s
quality (macos-latest, 3.10)	1m 12s
tests (ubuntu-latest, 3.10, highest)	38s
tests (ubuntu-latest, 3.12, highest)	37s
tests (ubuntu-latest, 3.11, highest)	34s
tests (ubuntu-latest, 3.10, lowest-direct)	37s
tests (ubuntu-latest, 3.11, lowest-direct)	31s
tests (ubuntu-latest, 3.14, lowest-direct)	44s
tests (ubuntu-latest, 3.13, highest)	35s
tests (ubuntu-latest, 3.14, highest)	28s
tests (macos-latest, 3.10, highest)	1m 7s
tests (ubuntu-latest, 3.15, highest)	1m 8s
tests (ubuntu-latest, 3.13, lowest-direct)	32s
tests (ubuntu-latest, 3.12, lowest-direct)	33s
tests (macos-latest, 3.11, highest)	51s
tests (ubuntu-latest, 3.15, lowest-direct)	55s
tests (macos-latest, 3.13, highest)	1m 21s
tests (macos-latest, 3.14, highest)	1m 0s
tests (macos-latest, 3.15, highest)	1m 44s
tests (windows-latest, 3.10, highest)	56s
tests (windows-latest, 3.11, highest)	1m 1s
tests (macos-latest, 3.12, highest)	1m 39s
tests (windows-latest, 3.12, highest)	58s
tests (windows-latest, 3.14, highest)	58s
tests (windows-latest, 3.13, highest)	1m 44s
tests (windows-latest, 3.15, highest)	2m 20s
	30m 35s

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