docs: remove stale comment

Author: gzeoneth

src/rollup/RollupAdminLogic.sol

@@ -308,9 +308,6 @@ contract RollupAdminLogic is RollupCore, IRollupAdmin, DoubleLogicUUPSUpgradeabl
         // 4. create a new assertion using the assertion with the updated config has as a prev
         // 5. force confirm it - this is necessary to set latestConfirmed on the correct line
         // 6. unpause the contract
-
-        // Normally, a new assertion is created using its prev's confirmPeriodBlocks
-        // in the case of a force create, we use the rollup's current confirmPeriodBlocks
         createNewAssertion(assertion, prevAssertionHash, expectedAssertionHash);
 
         emit AssertionForceCreated(expectedAssertionHash);