update warnings (#126)

Signed-off-by: xermicus <cyrill@parity.io>

crates/solidity/src/solc/standard_json/output/error/mod.rs

@@ -35,10 +35,9 @@ impl Error {
         let message = r#"
 ┌──────────────────────────────────────────────────────────────────────────────────────────────────┐
 │ Warning: It looks like you are using 'ecrecover' to validate a signature of a user account.      │
-│ zkSync Era comes with native account abstraction support, therefore it is highly recommended NOT │
+│ Polkadot comes with native account abstraction support, therefore it is highly recommended NOT   │
 │ to rely on the fact that the account has an ECDSA private key attached to it since accounts might│
 │ implement other signature schemes.                                                               │
-│ Read more about Account Abstraction at https://v2-docs.zksync.io/dev/developer-guides/aa.html    │
 └──────────────────────────────────────────────────────────────────────────────────────────────────┘"#
             .to_owned();
 
@@ -109,10 +108,9 @@ impl Error {
         let message = r#"
 ┌──────────────────────────────────────────────────────────────────────────────────────────────────┐
 │ Warning: You are checking for 'tx.origin' in your code, which might lead to unexpected behavior. │
-│ zkSync Era comes with native account abstraction support, and therefore the initiator of a       │
+│ Polkadot comes with native account abstraction support, and therefore the initiator of a         │
 │ transaction might be different from the contract calling your code. It is highly recommended NOT │
 │ to rely on tx.origin, but use msg.sender instead.                                                │
-│ Read more about Account Abstraction at https://v2-docs.zksync.io/dev/developer-guides/aa.html    │
 └──────────────────────────────────────────────────────────────────────────────────────────────────┘"#
             .to_owned();