Remove viem from install commands

viem is a regular dependency of @x402r/sdk (not a peer dep),
so it installs automatically. No need to list it explicitly.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

Author: vraspar

sdk/arbiter-quickstart.mdx

@@ -18,13 +18,13 @@ There are pre-configured [examples in the x402r-sdk repo](https://github.com/Bac
 
 <CodeGroup>
 ```bash npm
-npm install @x402r/sdk viem
+npm install @x402r/sdk
 ```
 ```bash pnpm
-pnpm add @x402r/sdk viem
+pnpm add @x402r/sdk
 ```
 ```bash bun
-bun add @x402r/sdk viem
+bun add @x402r/sdk
 ```
 </CodeGroup>
 

sdk/merchant-quickstart.mdx

@@ -18,13 +18,13 @@ There are pre-configured [examples in the x402r-sdk repo](https://github.com/Bac
 
 <CodeGroup>
 ```bash npm
-npm install @x402r/sdk @x402r/core viem
+npm install @x402r/sdk @x402r/core
 ```
 ```bash pnpm
-pnpm add @x402r/sdk @x402r/core viem
+pnpm add @x402r/sdk @x402r/core
 ```
 ```bash bun
-bun add @x402r/sdk @x402r/core viem
+bun add @x402r/sdk @x402r/core
 ```
 </CodeGroup>
 

sdk/overview.mdx

@@ -16,13 +16,13 @@ Three roles interact with the protocol:
 
 <CodeGroup>
 ```bash npm
-npm install @x402r/sdk viem
+npm install @x402r/sdk
 ```
 ```bash pnpm
-pnpm add @x402r/sdk viem
+pnpm add @x402r/sdk
 ```
 ```bash bun
-bun add @x402r/sdk viem
+bun add @x402r/sdk
 ```
 </CodeGroup>
 
@@ -32,13 +32,13 @@ For low-level access to contract ABIs and deploy utilities:
 
 <CodeGroup>
 ```bash npm
-npm install @x402r/core viem
+npm install @x402r/core
 ```
 ```bash pnpm
-pnpm add @x402r/core viem
+pnpm add @x402r/core
 ```
 ```bash bun
-bun add @x402r/core viem
+bun add @x402r/core
 ```
 </CodeGroup>
 

sdk/payer-quickstart.mdx

@@ -18,13 +18,13 @@ There are pre-configured [examples in the x402r-sdk repo](https://github.com/Bac
 
 <CodeGroup>
 ```bash npm
-npm install @x402r/sdk viem
+npm install @x402r/sdk
 ```
 ```bash pnpm
-pnpm add @x402r/sdk viem
+pnpm add @x402r/sdk
 ```
 ```bash bun
-bun add @x402r/sdk viem
+bun add @x402r/sdk
 ```
 </CodeGroup>