Revert "fix(protocol): add 1 to _REENTRY_SLOT in EssentialContract (#…

…16593)"

This reverts commit a381ddd.

packages/protocol/contracts/common/EssentialContract.sol

@@ -13,13 +13,10 @@ abstract contract EssentialContract is UUPSUpgradeable, Ownable2StepUpgradeable,
 
     uint8 private constant _TRUE = 2;
 
-    /// @dev The slot in transient storage of the reentry lock.
-    /// This is the result of keccak256("ownerUUPS.reentry_slot") plus 1. The addition aims to
-    /// prevent hash collisions with slots defined in EIP-1967, where slots are derived by
-    /// keccak256("something") - 1, and with slots in SignalService, calculated directly with
-    /// keccak256("something").
+    /// @dev The slot in transient storage of the reentry lock. This is the keccak256 hash
+    /// of "ownerUUPS.reentry_slot"
     bytes32 private constant _REENTRY_SLOT =
-        0xa5054f728453d3dbe953bdc43e4d0cb97e662ea32d7958190f3dc2da31d9721b;
+        0xa5054f728453d3dbe953bdc43e4d0cb97e662ea32d7958190f3dc2da31d9721a;
 
     /// @dev Slot 1.
     uint8 private __reentry;