remove pumpfun create token

src/main.rs

@@ -33,61 +33,4 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     client.subscribe_pumpfun(callback, Some(payer_keypair.pubkey())).await?;
 
     Ok(())  
-}
-
-async fn create_and_buy() -> Result<(), Box<dyn std::error::Error>> {
-    let priority_fee = PriorityFee{
-        unit_limit: 72000,
-        unit_price: 1000000,
-        buy_tip_fee: 0.001,
-        sell_tip_fee: 0.0001,
-    };
-
-    let cluster = Cluster {
-        rpc_url: "https://api.mainnet-beta.solana.com".to_string(),
-        block_engine_url: "https://block-engine.example.com".to_string(),
-        nextblock_url: "https://nextblock.example.com".to_string(),
-        nextblock_auth_token: "nextblock_api_token".to_string(),
-        zeroslot_url: "https://zeroslot.example.com".to_string(),
-        zeroslot_auth_token: "zeroslot_api_token".to_string(),
-        use_jito: true,
-        use_nextblock: false,
-        use_zeroslot: false,
-        priority_fee,
-        commitment: CommitmentConfig::processed(),
-    };
-
-    // create pumpfun instance
-    let payer = Keypair::new();
-    let pumpfun = PumpFun::new(
-        Arc::new(payer), 
-        &cluster,
-    ).await;
-
-    let metadata = ipfs::CreateTokenMetadata {
-        name: "Doge".to_string(),
-        symbol: "DOGE".to_string(),
-        description: "Dogecoin".to_string(),
-        file: "/Users/joseph/Desktop/doge.png".to_string(),
-        twitter: None,
-        telegram: None,
-        website: None,
-        metadata_uri: None,
-    };
-
-    // ipfs jwt_token for https://pinata.cloud 
-    let jwt_token = "your ipfs jwt_token";
-    let ipfs_metadata = ipfs::create_token_metadata(metadata, &jwt_token).await?;
-    println!("ipfs_metadata: {:?}", ipfs_metadata);
-
-    let mint = Keypair::new();
-
-    pumpfun.create_and_buy(
-        mint, 
-        ipfs_metadata, 
-        sol_to_lamports(0.1), 
-        None,
-    ).await?;
-    
-    Ok(()) // 添加返回值
 }