docs: incorrect link reference in zk_intuition.md (#388)

# What ❔

- incorrect link reference in zk_intuition.md

## Why ❔

<img width="1505" alt="image"
src="https://github.com/matter-labs/zksync-era/assets/42017468/2a98095a-43c2-4b2d-a6ab-8b45b3a0a544">

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [x] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [x] Tests for the changes have been added / updated.
- [x] Documentation comments have been added / updated.
- [x] Code has been formatted via `zk fmt` and `zk lint`.

---------

Co-authored-by: Roman Brodetski <[email protected]>

docs/advanced/zk_intuition.md

@@ -146,9 +146,8 @@ version 1.4.0.
 [example ecrecover circuit]:
   https://github.com/matter-labs/sync_vm/blob/683ade0bbb445f3e2ceb82dd3f4346a0c5d16a78/src/glue/ecrecover_circuit/mod.rs#L157
 [zksync core witness]:
-  https://github.com/matter-labs/zksync-2-dev/blob/847e7e099175052ccdcad90ea8b3f92c443cc8cd/core/bin/zksync_core/src/witness_generator/mod.rs#L18
-[separate witness binary]:
-  https://github.com/matter-labs/zksync-2-dev/blob/847e7e099175052ccdcad90ea8b3f92c443cc8cd/core/bin/witness_generator/src/main.rs#L37
+  https://github.com/matter-labs/zksync-era/blob/main/core/lib/zksync_core/src/witness_generator/mod.rs
+[separate witness binary]: https://github.com/matter-labs/zksync-era/blob/main/prover/witness_generator/src/main.rs
 [zkevm_test_harness witness]:
   https://github.com/matter-labs/zkevm_test_harness/blob/0c17bc7baa4e0b64634d414942ef4200d8613bbd/src/external_calls.rs#L575
 [heavy_ops_service repo]: https://github.com/matter-labs/heavy-ops-service/tree/v1.3.2