chore: move examples to separate repository

examples/flutter/quickstart/ios/RunnerTests/RunnerTests.swift

@@ -1,12 +0,0 @@
-import Flutter
-import UIKit
-import XCTest
-
-class RunnerTests: XCTestCase {
-
-  func testExample() {
-    // If you add code to the Runner application, consider adding tests here.
-    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
-  }
-
-}