Remove warning about static output

The `static` output mode has been removed in Astro 5.0 [1,2]. This commit
removes the warning about `static` output mode from the deno astro
adapter.

[1] https://5-0-0-beta--astro-docs-2.netlify.app/en/guides/upgrade-to/v5/#removed-hybrid-rendering-mode
[2] https://astro.build/blog/astro-5/

src/index.ts

@@ -130,15 +130,6 @@ export default function createIntegration(args?: Options): AstroIntegration {
       "astro:config:done": ({ setAdapter, config }) => {
         setAdapter(getAdapter(args));
         _buildConfig = config.build;
-
-        if (config.output === "static") {
-          console.warn(
-            `[@deno/astro-adapter] \`output: "server"\` or \`output: "hybrid"\` is required to use this adapter.`,
-          );
-          console.warn(
-            `[@deno/astro-adapter] Otherwise, this adapter is not required to deploy a static site to Deno.`,
-          );
-        }
       },
       "astro:build:setup": ({ vite, target }) => {
         if (target === "server") {