Remove unused metrics #19926

Job	Run time
Check for 'skip-ci' label	1s
check-code	13m 57s
check-msrv	5m 33s
lockbud	14m 44s
target-branch-check	1s
basic-simulator-ubuntu	17m 22s
cargo-sort	31s
cargo-udeps	7m 49s
beacon-chain-tests	26m 12s
cli-check	9m 45s
compile-with-beta-compiler	15m 0s
debug-tests-ubuntu	10m 10s
ef-tests-ubuntu	18m 32s
execution-engine-integration-ubuntu	11m 11s
fallback-simulator-ubuntu	15m 1s
network-tests	23m 4s
op-pool-tests	20m 0s
release-tests-ubuntu	39m 52s
release-tests-windows	49m 56s
slasher-tests	3m 39s
state-transition-vectors-ubuntu	4m 12s
test-suite-success	3s
	5h 6m 35s

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