chore: remove unused patch file

patches/@sveltejs%2Fadapter-cloudflare@4.7.4.patch

@@ -1,57 +0,0 @@
-diff --git a/index.js b/index.js
-index 0fe55898e5697fc6a061299780e163ca4553cb05..e9fb7fea0082c7d3df7b07df21bd99cca6c4957c 100644
---- a/index.js
-+++ b/index.js
-@@ -144,29 +144,33 @@ export default function (options = {}) {
- 				);
- 			}
- 		},
--		async emulate() {
--			const proxy = await getPlatformProxy(options.platformProxy);
--			const platform = /** @type {App.Platform} */ ({
--				env: proxy.env,
--				context: proxy.ctx,
--				caches: proxy.caches,
--				cf: proxy.cf
--			});
-+		emulate() {
-+			const getting_platform = (async () => {
-+				const proxy = await getPlatformProxy(options.platformProxy);
-+				const platform = /** @type {App.Platform} */ ({
-+					env: proxy.env,
-+					context: proxy.ctx,
-+					caches: proxy.caches,
-+					cf: proxy.cf
-+				});
- 
--			/** @type {Record<string, any>} */
--			const env = {};
--			const prerender_platform = /** @type {App.Platform} */ (/** @type {unknown} */ ({ env }));
-+				/** @type {Record<string, any>} */
-+				const env = {};
-+				const prerender_platform = /** @type {App.Platform} */ (/** @type {unknown} */ ({ env }));
- 
--			for (const key in proxy.env) {
--				Object.defineProperty(env, key, {
--					get: () => {
--						throw new Error(`Cannot access platform.env.${key} in a prerenderable route`);
--					}
--				});
--			}
-+				for (const key in proxy.env) {
-+					Object.defineProperty(env, key, {
-+						get: () => {
-+							throw new Error(`Cannot access platform.env.${key} in a prerenderable route`);
-+						}
-+					});
-+				}
-+				return { platform, prerender_platform };
-+			})();
- 
- 			return {
--				platform: ({ prerender }) => {
-+				platform: async ({ prerender }) => {
-+					const { platform, prerender_platform } = await getting_platform;
- 					return prerender ? prerender_platform : platform;
- 				}
- 			};