Remove semconv #2972

Job	Run time
build-graal	8m 36s
Build (macos-latest, 8)	9m 38s
Build (macos-latest, 11)	10m 9s
Build (macos-latest, 17)	11m 35s
Build (macos-latest, 20)	13m 51s
Build (ubuntu-latest, 8)	10m 17s
misspell-check / misspell-check	5s
Build (ubuntu-latest, 11)	10m 56s
Build (ubuntu-latest, 17)	10m 50s
markdown-link-check / markdown-link-check	30s
Build (ubuntu-latest, 20)	11m 51s
Build (ubuntu-20.04, 17, true)	12m 19s
publish-snapshots (skipped)	5s
required-status-check	1s
	1h 50m 43s

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