Revert "Capacitor 8 — Step B: migrate iOS from CocoaPods to Swift Package Manager"

This reverts commit 92f1f8f1a3.

mobile/plugins/native-call/Package.swift

@@ -1,27 +0,0 @@
-// swift-tools-version: 5.9
-import PackageDescription
-
-// SPM manifest for the native-call Capacitor plugin (Capacitor 8 uses SPM). LiveKit is declared here as a
-// REAL SPM dependency — LiveKit 2.1+ is SPM-native, so this replaces the CocoaPods git-tag pin hack entirely.
-// SPM resolves LiveKit + its LiveKitWebRTC / LiveKitUniFFI / SwiftProtobuf sub-packages directly.
-let package = Package(
-    name: "NativeCall",
-    platforms: [.iOS(.v15)],
-    products: [
-        .library(name: "NativeCall", targets: ["NativeCallPlugin"])
-    ],
-    dependencies: [
-        .package(url: "https://github.com/ionic-team/capacitor-swift-pm.git", from: "8.0.0"),
-        .package(url: "https://github.com/livekit/client-sdk-swift.git", exact: "2.15.3")
-    ],
-    targets: [
-        .target(
-            name: "NativeCallPlugin",
-            dependencies: [
-                .product(name: "Capacitor", package: "capacitor-swift-pm"),
-                .product(name: "Cordova", package: "capacitor-swift-pm"),
-                .product(name: "LiveKit", package: "client-sdk-swift")
-            ],
-            path: "ios/Sources/NativeCallPlugin")
-    ]
-)