page cache metrics: remove unused read_accesses_ephemeral & read_hits… #12715

Job	Run time
check-permissions	1s
build-neon (debug)	6m 52s
check-codestyle-python	1m 46s
check-codestyle-rust	7m 51s
build-neon (release)	7m 13s
tag	25s
compute-tools-image	4m 0s
compute-node-image (v14)	15m 56s
neon-image	11m 8s
compute-node-image (v15)	15m 7s
trigger-custom-extensions-build-and-wait	4m 8s
compute-node-image (v16)	15m 12s
regress-tests (debug, v14)	17m 11s
regress-tests (debug, v15)	11m 51s
benchmarks (1, release)	21m 53s
regress-tests (debug, v16)	11m 20s
benchmarks (2, release)	24m 10s
regress-tests (release, v14)	9m 42s
benchmarks (3, release)	35m 39s
regress-tests (release, v15)	8m 17s
benchmarks (4, release)	12m 45s
regress-tests (release, v16)	8m 43s
test-images	2m 57s
vm-compute-node-image (v14)	1m 34s
vm-compute-node-image (v15)	1m 37s
vm-compute-node-image (v16)	1m 37s
promote-images	2m 51s
trigger-e2e-tests	8s
coverage-report (debug)	4m 40s
deploy	49s
promote-compatibility-data	0s
create-test-report	4m 1s
	4h 31m 24s

Provide feedback