chore: remove redundant words in comment (#1191)

Signed-off-by: lvyaoting <[email protected]>

README.md

@@ -6,7 +6,7 @@ This repo contains all of the packages that make up Account Kit as well as the c
 
 ## @account-kit/\*
 
-Account Kit packages are all prefixed with `@account-kit` are are broken down into the following packages:
+Account Kit packages are all prefixed with `@account-kit` are broken down into the following packages:
 
 1. [`@account-kit/react`](https://github.com/alchemyplatform/aa-sdk/tree/main/account-kit/react)
 1. [`@account-kit/core`](https://github.com/alchemyplatform/aa-sdk/tree/main/account-kit/core)

site/pages/smart-contracts/modular-account/getting-started.mdx

@@ -16,7 +16,7 @@ It is easy to get started with Modular Account! We will show you two different w
 
 **Installation**
 
-First, install the the `@account-kit/smart-contracts` package.
+First, install the `@account-kit/smart-contracts` package.
 
 :::code-group