Remove Swift plugin Objective-C files (#113585)

packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/pluginClass.h.tmpl

-#import <Flutter/Flutter.h>
-
-@interface {{pluginClass}} : NSObject<FlutterPlugin>
-@end

packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/pluginClass.m.tmpl

-#import "{{pluginClass}}.h"
-#if __has_include(<{{projectName}}/{{projectName}}-Swift.h>)
-#import <{{projectName}}/{{projectName}}-Swift.h>
-#else
-// Support project import fallback if the generated compatibility header
-// is not copied when this plugin is created as a library.
-// https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816
-#import "{{projectName}}-Swift.h"
-#endif
-
-@implementation {{pluginClass}}
-+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
-  [Swift{{pluginClass}} registerWithRegistrar:registrar];
-}
-@end

packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl → packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/pluginClass.swift.tmpl

 import Flutter
 import UIKit
 
-public class Swift{{pluginClass}}: NSObject, FlutterPlugin {
+public class {{pluginClass}}: NSObject, FlutterPlugin {
   public static func register(with registrar: FlutterPluginRegistrar) {
     let channel = FlutterMethodChannel(name: "{{projectName}}", binaryMessenger: registrar.messenger())
-    let instance = Swift{{pluginClass}}()
+    let instance = {{pluginClass}}()
     registrar.addMethodCallDelegate(instance, channel: channel)
   }
 

packages/flutter_tools/templates/template_manifest.json

@@ -258,9 +258,7 @@
         "templates/plugin/ios-objc.tmpl/Classes/pluginClass.h.tmpl",
         "templates/plugin/ios-objc.tmpl/Classes/pluginClass.m.tmpl",
         "templates/plugin/ios-objc.tmpl/projectName.podspec.tmpl",
-        "templates/plugin/ios-swift.tmpl/Classes/pluginClass.h.tmpl",
-        "templates/plugin/ios-swift.tmpl/Classes/pluginClass.m.tmpl",
-        "templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl",
+        "templates/plugin/ios-swift.tmpl/Classes/pluginClass.swift.tmpl",
         "templates/plugin/ios-swift.tmpl/projectName.podspec.tmpl",
         "templates/plugin/ios.tmpl/.gitignore",
         "templates/plugin/ios.tmpl/Assets/.gitkeep",

packages/flutter_tools/test/commands.shard/permeable/create_test.dart

@@ -638,9 +638,7 @@ void main() {
         'example/ios/Runner/AppDelegate.swift',
         'example/ios/Runner/Runner-Bridging-Header.h',
         'example/lib/main.dart',
-        'ios/Classes/FlutterProjectPlugin.h',
-        'ios/Classes/FlutterProjectPlugin.m',
-        'ios/Classes/SwiftFlutterProjectPlugin.swift',
+        'ios/Classes/FlutterProjectPlugin.swift',
         'lib/flutter_project.dart',
       ],
       unexpectedPaths: <String>[
@@ -649,6 +647,8 @@ void main() {
         'example/ios/Runner/AppDelegate.h',
         'example/ios/Runner/AppDelegate.m',
         'example/ios/Runner/main.m',
+        'ios/Classes/FlutterProjectPlugin.h',
+        'ios/Classes/FlutterProjectPlugin.m',
       ],
     );
   });