Updated Calculator csharp with 0.80.0 release (#1065)

## Description

### Why
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the context and overall goals of the pull request's commits.

Resolves [Add Relevant Issue Here]

## Screenshots
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###### Microsoft Reviewers: [Open in
CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/microsoft/react-native-windows-samples/pull/1065)

---------

Co-authored-by: Harini Malothu <hmalothu@microsoft.com>
Co-authored-by: Anupriya Verma <54227869+anupriya13@users.noreply.github.com>

Author: 3 people

samples/Calculator/csharp/.prettierrc.js

@@ -1,7 +1,5 @@
 module.exports = {
   arrowParens: 'avoid',
-  bracketSameLine: true,
-  bracketSpacing: false,
   singleQuote: true,
   trailingComma: 'all',
 };

samples/Calculator/csharp/android/app/src/main/java/com/calculator/MainApplication.kt

@@ -4,13 +4,11 @@ import android.app.Application
 import com.facebook.react.PackageList
 import com.facebook.react.ReactApplication
 import com.facebook.react.ReactHost
+import com.facebook.react.ReactNativeApplicationEntryPoint.loadReactNative
 import com.facebook.react.ReactNativeHost
 import com.facebook.react.ReactPackage
-import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.load
 import com.facebook.react.defaults.DefaultReactHost.getDefaultReactHost
 import com.facebook.react.defaults.DefaultReactNativeHost
-import com.facebook.react.soloader.OpenSourceMergedSoMapping
-import com.facebook.soloader.SoLoader
 
 class MainApplication : Application(), ReactApplication {
 
@@ -35,10 +33,6 @@ class MainApplication : Application(), ReactApplication {
 
   override fun onCreate() {
     super.onCreate()
-    SoLoader.init(this, OpenSourceMergedSoMapping)
-    if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
-      // If you opted-in for the New Architecture, we load the native entry point for this app.
-      load()
-    }
+    loadReactNative(this)
   }
 }

samples/Calculator/csharp/android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
         compileSdkVersion = 35
         targetSdkVersion = 35
         ndkVersion = "27.1.12297006"
-        kotlinVersion = "2.0.21"
+        kotlinVersion = "2.1.20"
     }
     repositories {
         google()

samples/Calculator/csharp/android/gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

samples/Calculator/csharp/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,8 +2,8 @@
  * @format
  */
 
-import {AppRegistry} from 'react-native';
+import { AppRegistry } from 'react-native';
 import App from './App';
-import {name as appName} from './app.json';
+import { name as appName } from './app.json';
 
 AppRegistry.registerComponent(appName, () => App);