docs: removed custom events from Readmes #10866

Job	Run time
init / Init	18s
scan-secrets / TruffleHog	45s
lint / Lint	40s
build-packages / Build Packages	46s
test-foundations / 🧪🎭 - foundations	1m 16s
test-components / 🧪🎭 - react:1/3	1m 30s
build-outputs / Build outputs	54s
test-components / 🧪🎭 - react:2/3	1m 34s
build-showcases / Build Showcases	1m 45s
test-components / 🧪🎭 - react:3/3	1m 18s
test-components / 🧪🎭 - vue:1/3	1m 19s
test-components / 🧪🎭 - vue:2/3	1m 30s
test-components / 🧪🎭 - vue:3/3	1m 25s
test-showcases / 🧪🎭 - angular:1/2	2m 11s
test-showcases / 🧪🎭 - angular:2/2	2m 8s
test-showcases / 🧪🎭 - react:1/2	1m 56s
test-showcases / 🧪🎭 - react:2/2	1m 57s
test-showcases / 🧪🎭 - vue:1/2	2m 9s
test-showcases / 🧪🎭 - vue:2/2	1m 59s
checks-done	1s
regenerate-snapshots	0s
deploy / Deploy	57s
	28m 18s

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