update readme

Author: macalinao

crates/anchor-gen/README.md

@@ -2,14 +2,14 @@
 
 Generates a crate for cross-program invocations to an Anchor program from a JSON IDL.
 
+Now updated for Anchor 0.31.1!
+
 ## Usage
 
 In a new crate, write:
 
 ```skip
 anchor_gen::generate_cpi_crate!("../../examples/govern-cpi/idl.json");
-
-declare_id!("GjphYQcbP1m3FuDyCTUJf2mUMxKPE3j6feWU1rxvC7Ps");
 ```
 
 This will generate a fully functional Rust CPI client for your IDL.

crates/anchor-gen/src/lib.rs

@@ -1,13 +1,13 @@
 //! Generates a crate for cross-program invocations to an Anchor program from a JSON IDL.
 //!
+//! Now updated for Anchor 0.31.1!
+//!
 //! # Usage
 //!
 //! In a new crate, write:
 //!
 //! ```skip
 //! anchor_gen::generate_cpi_crate!("../../examples/govern-cpi/idl.json");
-//!
-//! declare_id!("GjphYQcbP1m3FuDyCTUJf2mUMxKPE3j6feWU1rxvC7Ps");
 //! ```
 //!
 //! This will generate a fully functional Rust CPI client for your IDL.