change Compact interface; remove BlockPopulator changes #56

Job	Run time
Check generated parser	12s
Build Prometheus for common architectures (0)	6m 48s
Build Prometheus for all architectures	0s
fuzzing	0s
Build Prometheus for common architectures (1)	6m 28s
Build Prometheus for common architectures (2)	6m 33s
golangci-lint	5m 17s
Go tests	16m 17s
More Go tests	9m 16s
Go tests with previous Go version	7m 25s
Mixins tests	2m 13s
UI tests	2m 34s
Go tests on Windows	11m 41s
codeql / Analyze (javascript)	1m 51s
Publish UI on npm Registry	1m 24s
Publish release artefacts	0s
Publish main branch artifacts	0s
	1h 17m 59s

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