Address comment

Author: dongjoon-hyun

README.md

@@ -13,48 +13,3 @@ So far, this library project is tracking the upstream changes like the [Apache S
 - [gRPC Swift Protobuf 1.0 (March 2025)](https://github.com/grpc/grpc-swift-protobuf/releases/tag/1.1.0)
 - [gRPC Swift NIO Transport 1.0 (March 2025)](https://github.com/grpc/grpc-swift-nio-transport/releases/tag/1.0.1)
 - [Apache Arrow Swift](https://github.com/apache/arrow/tree/main/swift)
-
-## Run `Apache Spark 4.0.0 RC2 Connect Server`
-
-    $ curl -LO https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc2-bin/spark-4.0.0-bin-hadoop3.tgz
-    $ tar xvfz spark-4.0.0-bin-hadoop3.tgz
-    $ cd spark-4.0.0-bin-hadoop3
-    $ sbin/start-connect-server.sh
-
-## Run tests
-
-```
-$ cd spark-connect-swift
-$ swift test
-```
-
-## How to use in your apps
-
-Create a Swift project.
-```
-$ mkdir SparkConnectSwiftApp
-$ cd SparkConnectSwiftApp
-$ swift package init --name SparkConnectSwiftApp --type executable
-```
-
-Add `SparkConnect` package to the dependency like the following
-```
-$ cat Package.swift
-import PackageDescription
-
-let package = Package(
-  name: "SparkConnectSwiftApp",
-  platforms: [
-    .macOS(.v15)
-  ],
-  dependencies: [
-    .package(url: "https://github.com/apache/spark-connect-swift.git", branch: "main")
-  ],
-  targets: [
-    .executableTarget(
-      name: "SparkConnectSwiftApp",
-      dependencies: [.product(name: "SparkConnect", package: "spark-connect-swift")]
-    )
-  ]
-)
-```