[storage] trivial: remove get_block_boundaries

[msmouse]

Description

unused

Test Plan

---

This change is 

[github-actions[bot]]

Forge is running suite land_blocking on 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea

• Grafana dashboard (auto-refresh)
• Humio Logs
• (Deprecated) OpenSearch Logs
• Test runner output
• Test run is land-blocking

Forge is running suite compat on testnet ==> 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea

• Grafana dashboard (auto-refresh)
• Humio Logs
• (Deprecated) OpenSearch Logs
• Test runner output
• Test run is land-blocking

:white_check_mark: Forge suite land_blocking success on 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea

performance benchmark with full nodes : 7738 TPS, 5133 ms latency, 8700 ms p99 latency,no expired txns
Test Ok

• Grafana dashboard
• Humio Logs
• (Deprecated) OpenSearch Logs
• Test runner output
• Test run is land-blocking

:white_check_mark: Forge suite compat success on testnet ==> 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea

Compatibility test results for testnet ==> 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea (PR)
1. Check liveness of validators at old version: testnet
compatibility::simple-validator-upgrade::liveness-check : 7431 TPS, 5090 ms latency, 7800 ms p99 latency,no expired txns
2. Upgrading first Validator to new version: 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea
compatibility::simple-validator-upgrade::single-validator-upgrade : 5981 TPS, 6014 ms latency, 7800 ms p99 latency,no expired txns
3. Upgrading rest of first batch to new version: 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea
compatibility::simple-validator-upgrade::half-validator-upgrade : 5348 TPS, 7203 ms latency, 9000 ms p99 latency,no expired txns
4. upgrading second batch to new version: 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea
compatibility::simple-validator-upgrade::rest-validator-upgrade : 7884 TPS, 4671 ms latency, 8100 ms p99 latency,no expired txns
5. check swarm health
Compatibility test for testnet ==> 9c8bfcc9558b2eebdbf4d29caaafad563d80cfea passed
Test Ok

• Grafana dashboard
• Humio Logs
• (Deprecated) OpenSearch Logs
• Test runner output
• Test run is land-blocking