feat(pwa): remove SvelteKitPWA plugin dependencies

Story 2: Remove SvelteKitPWA Plugin Dependencies
- Remove @vite-pwa/sveltekit from package.json dependencies
- Remove SvelteKitPWA plugin import and configuration from vite.config.ts
- Clean up plugin configuration including manifest, workbox, and devOptions
- Build process now works without plugin (service worker migration needed next)

Dependencies reduced by 309 packages
Build fails on workbox imports as expected - ready for Story 3

Refs: docs/plans/MigrateToNativeSvelteKitPWA.md

vite.config.ts

@@ -2,7 +2,6 @@ import tailwindcss from '@tailwindcss/vite';
 import { defineConfig } from 'vitest/config';
 import { playwright } from '@vitest/browser-playwright';
 import { sveltekit } from '@sveltejs/kit/vite';
-import { SvelteKitPWA } from '@vite-pwa/sveltekit';
 import fs from 'fs';
 
 export default defineConfig({
@@ -19,66 +18,7 @@ export default defineConfig({
         }        
     },
 	plugins: [
-        SvelteKitPWA({
-            srcDir: './src',
-            mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
-            strategies: 'injectManifest',
-            filename: 'service-worker.ts',
-            scope: '/',
-            base: '/',
-            selfDestroying: process.env.SELF_DESTROYING_SW === 'true',
-            // Disable automatic registration to prevent test environment issues
-            injectRegister: process.env.NODE_ENV === 'test' ? false : 'auto',
-            injectManifest: {
-                swSrc: 'src/service-worker.ts',
-                swDest: 'service-worker.js',
-                injectionPoint: 'self.__WB_MANIFEST',
-                // Additional build configuration for better reliability
-                globPatterns: ['**/*.{js,css,html,ico,png,svg,webp,woff,woff2}'],
-                maximumFileSizeToCacheInBytes: 4 * 1024 * 1024, // 4MB
-            },
-            manifest: {
-                short_name: 'InstaChef',
-                name: 'InstaChef Recipe Saver',
-                start_url: '/',
-                scope: '/',
-                display: 'standalone',
-                theme_color: "#ffffff",
-                background_color: "#ffffff",
-                icons: [
-                    { src: '/favicon.png', sizes: '192x192', type: 'image/png' },
-                    { src: '/favicon.png', sizes: '512x512', type: 'image/png' }
-                ],
-                share_target: {
-                    action: '/share',
-                    method: 'GET',
-                    enctype: 'application/x-www-form-urlencoded',
-                    params: { title: 'title', text: 'text', url: 'url' }
-                }
-            },
-            workbox: {
-                globPatterns: ['client/**/*.{js,css,ico,png,svg,webp,woff,woff2}'],
-                cleanupOutdatedCaches: true,
-                skipWaiting: false,  // Let service worker control this
-                clientsClaim: false,  // Let service worker control this
-                maximumFileSizeToCacheInBytes: 4 * 1024 * 1024, // 4MB
-                runtimeCaching: [
-                    {
-                        urlPattern: /^https:\/\/api\./,
-                        handler: 'NetworkFirst',
-                        options: {
-                            cacheName: 'api-cache',
-                            networkTimeoutSeconds: 10
-                        }
-                    }
-                ]
-            },
-            devOptions: {
-                enabled: process.env.NODE_ENV !== 'test', // Disable in test environment
-                suppressWarnings: true,
-                navigateFallback: '/',
-            },
-        }),tailwindcss(), sveltekit()],
+        tailwindcss(), sveltekit()],
 	test: {
 		expect: { requireAssertions: true },
 		projects: [