chore: update outdated info in Readme files (#3830)

solidity/README.md

@@ -28,7 +28,7 @@ yarn test
 
 ### Fixtures
 
-Some forge tests may generate fixtures in the [fixtures](./fixtures/) directory. This allows [SDK](../typescript/sdk) tests to leverage forge fuzzing. These are git ignored and should not be committed.
+Some forge tests may generate fixtures. This allows the [SDK](https://github.com/hyperlane-xyz/hyperlane-monorepo/tree/main/typescript/sdk) tests to leverage forge fuzzing. These are git ignored and should not be committed.
 
 ## License
 

typescript/cli/README.md

@@ -12,7 +12,7 @@ To read more about interchain applications, how the protocol works, and how to i
 
 ## Setup
 
-Node 16 or newer is required.
+Node 18 or newer is required.
 
 **Option 1: Global install:**
 

typescript/sdk/README.md

@@ -18,12 +18,6 @@ Note, this package uses [ESM Modules](https://gist.github.com/sindresorhus/a3978
 
 ## Contents
 
-### Constants
-
-The names and relevant metadata for all Hyperlane-supported chains are included in this SDK, including public RPC and Explorer urls. It also includes the addresses for all Hyperlane core contracts and middleware.
-
-### Classes for development, deployment, and testing
-
 The SDK includes various classes for building, deploying, and testing multi-chain applications. Different abstractions serve different use cases. A few common utilities include:
 
 - `MultiProvider` / `MultiProtocolProvider`: A utility for managing chain metadata, and RPC providers.
@@ -32,15 +26,6 @@ The SDK includes various classes for building, deploying, and testing multi-chai
 - `HyperlaneDeployer`: The base class for executing multi-chain contract deployments.
 - `Token` & `WarpCore`: Utilities for interacting with Warp Route deployments.
 
-### Chain Logos
-
-The SDK contains SVG files for all Hyperlane-supported chains. They can be imported from the `/logos` folder.
-
-```js
-import ArbitrumBlack from '@hyperlane-xyz/sdk/logos/black/arbitrum.svg';
-import ArbitrumColor from '@hyperlane-xyz/sdk/logos/color/arbitrum.svg';
-```
-
 ## License
 
 Apache 2.0