remove zkemail and changelog, remove events and errors

Author: ozgunozerk

content/stellar-contracts/changelog.mdx

@@ -192,36 +192,6 @@ pub enum ProposalState {
 
 States are divided into **time-based** (Pending, Active, Defeated) — derived from the current ledger, never stored — and **explicit** (all others) — persisted in storage, taking precedence once set.
 
-## Events
-
-| Event | Topics | Data |
-|-------|--------|------|
-| `ProposalCreated` | `proposal_id`, `proposer` | `targets`, `functions`, `args`, `vote_snapshot`, `vote_end`, `description` |
-| `VoteCast` | `voter`, `proposal_id` | `vote_type`, `weight`, `reason` |
-| `ProposalQueued` | `proposal_id` | `eta` |
-| `ProposalExecuted` | `proposal_id` | — |
-| `ProposalCancelled` | `proposal_id` | — |
-| `QuorumChanged` | — | `old_quorum`, `new_quorum` |
-
-## Errors
-
-| Error | Code | Description |
-|-------|------|-------------|
-| `ProposalNotFound` | 5000 | The proposal was not found |
-| `ProposalAlreadyExists` | 5001 | A proposal with the same parameters already exists |
-| `InsufficientProposerVotes` | 5002 | The proposer lacks sufficient voting power |
-| `EmptyProposal` | 5003 | The proposal contains no actions |
-| `InvalidProposalLength` | 5004 | Mismatched targets/functions/args vector lengths |
-| `ProposalNotActive` | 5005 | Voting is not currently open |
-| `ProposalNotSuccessful` | 5006 | The proposal has not succeeded |
-| `ProposalNotQueued` | 5007 | The proposal has not been queued |
-| `ProposalAlreadyExecuted` | 5008 | The proposal was already executed |
-| `ProposalNotCancellable` | 5009 | The proposal is in a non-cancellable state |
-| `AlreadyVoted` | 5016 | The account has already voted on this proposal |
-| `InvalidVoteType` | 5017 | Invalid vote type (must be 0, 1, or 2) |
-| `QuorumNotSet` | 5018 | Quorum has not been configured |
-| `QueueNotEnabled` | 5022 | Queuing is not enabled for this governor |
-
 ## Example
 
 ```rust

content/stellar-contracts/governance/governor.mdx

@@ -112,23 +112,6 @@ In addition to the trait, the module exports free functions for lower-level use:
 | `num_checkpoints(e, account)` | Returns the number of checkpoints for an account. |
 | `delegate(e, account, delegatee)` | Delegates voting power. Requires authorization from `account`. |
 
-## Events
-
-| Event | Topics | Data |
-|-------|--------|------|
-| `DelegateChanged` | `delegator` | `from_delegate: Option<Address>`, `to_delegate: Address` |
-| `DelegateVotesChanged` | `delegate` | `previous_votes: u128`, `new_votes: u128` |
-
-## Errors
-
-| Error | Code | Description |
-|-------|------|-------------|
-| `FutureLookup` | 4100 | The queried ledger is in the future |
-| `MathOverflow` | 4101 | Arithmetic overflow occurred |
-| `InsufficientVotingUnits` | 4102 | Attempting to transfer more voting units than available |
-| `SameDelegate` | 4103 | Attempting to delegate to the already-set delegate |
-| `CheckpointNotFound` | 4104 | A checkpoint that was expected to exist was not found |
-
 ## See Also
 
 - [Governor](/stellar-contracts/governance/governor)

content/stellar-contracts/governance/votes.mdx

@@ -38,10 +38,6 @@ for access control and contract management.
 
 *   **[Fee Abstraction](/stellar-contracts/fee-abstraction)**: Enable users to pay transaction fees in tokens (e.g. USDC) while relayers cover XLM fees.
 
-## ZK Email
-
-*   **[DKIM Registry](/stellar-contracts/zk-email)**: On-chain DKIM public key hash registry for zkEmail verification systems.
-
 ## Security and Audits
 
 Our contracts are built with security as a top priority. You can find our audit reports [here](https://github.com/OpenZeppelin/stellar-contracts/tree/main/audits).
@@ -72,7 +68,6 @@ Similarly, utilities and other modules have their own error codes:
 * Accounts: `3XXX`
 * Governance: `4XXX`
 * Fee Abstraction: `5XXX`
-* ZK Email: `6XXX`
 
 ## Important Notes
 As a deliberate design choice, this library manages the TTL for temporary and persistent storage items.