graph, store: Remove VersionStats.block_range_lower #9842

Job	Run time
Clippy linting	1m 0s
Subgraph Runner integration tests	3m 36s
Check rustfmt style	9s
Run unit tests	7m 26s
Run integration tests	5m 21s
Build in release mode	1m 9s
	18m 41s

Provide feedback