remove deps and esm imports, swap over to npm

deno.json

@@ -18,9 +18,9 @@
     "@denoland/htm/plugins/unocss": "https://deno.land/x/[email protected]/plugins/unocss.ts",
     "@denoland/g_a": "https://deno.land/x/[email protected]/mod.ts",
     "@githubcontent/kt3k/callsites": "https://raw.githubusercontent.com/kt3k/callsites/v1.0.0/mod.ts",
-    "@esm/feed": "https://esm.sh/[email protected]",
-    "@esm/remove-markdown": "https://esm.sh/[email protected]",
-    "@esm/prism-c": "https://esm.sh/[email protected]/components/prism-c?no-check",
-    "@outdated/std-http": "https://deno.land/[email protected]/http/mod.ts"
+    "@outdated/std-http": "https://deno.land/[email protected]/http/mod.ts",
+    "feed": "npm:feed@^4.2.2",
+    "prismjs": "npm:prismjs@^1.29.0",
+    "remove-markdown": "npm:remove-markdown@^0.5.5"
   }
 }

src/blog.tsx

@@ -18,8 +18,8 @@ import { default as html, type HtmlOptions } from "@denoland/htm";
 
 import { createReporter } from "@denoland/g_a";
 import { default as callsites } from "@githubcontent/kt3k/callsites";
-import { Feed, type Item as FeedItem } from "@esm/feed";
-import { default as removeMarkdown } from "@esm/remove-markdown";
+import { Feed, type Item as FeedItem } from "feed";
+import { default as removeMarkdown } from "remove-markdown";
 
 import UnoCSS from "@denoland/htm/plugins/unocss";
 import ColorScheme from "@denoland/htm/plugins/color-scheme";
@@ -36,7 +36,7 @@ import type {
 import { WalkEntry } from "@std/fs";
 
 // Add syntax highlighting support for C by default
-import "@esm/prism-c";
+import "prismjs";
 
 export { Fragment, h };