Correct comment (#2171)

### Checklist
- [ ] Relevant issue is linked
- [ ] Docs updated/issue for docs created
- [ ] Added relevant tests

Blockifier is not able to calculate the class hash. Comment is
misleading. Related issue
#2134

protostar-rust/src/cheatcodes_hint_processor.rs

@@ -277,7 +277,7 @@ fn execute_cheatcode_hint(
                 .expect("Failed to read contract class from json");
             let contract_class = BlockifierContractClass::V1(contract_class);
 
-            // TODO(#2134) replace this. Hash should be calculated by the blockifier in the correct manner. This is just a workaround.
+            // TODO(#2134) replace this. Hash should be calculated in the correct manner. This is just a workaround.
             let mut hasher = DefaultHasher::new();
             casm_serialized.hash(&mut hasher);
             let class_hash = hasher.finish();