Remove a duplicate function

src/url.ts

@@ -57,16 +57,3 @@ export const getHkpUrl = (host: string, fp: string, port?: number) =>
 
 export const getGitHubGpgUrl = (user: string) =>
   buildUrl("github.com", `/${user.replace(/^@/, "")}.gpg`);
-
-export const getGitHubManifestUrl = (
-  owner: string,
-  repo: string,
-  tag: string,
-  asset: string,
-) =>
-  buildUrl(
-    "github.com",
-    [owner, repo, "releases", "download", tag, asset]
-      .map(encodeURIComponent)
-      .join("/"),
-  );

src/verify.ts

@@ -4,7 +4,7 @@ import { info, warning, setOutput } from "@actions/core";
 import { GITHUB_DIGEST_THRESHOLD } from "./github-api";
 import { fetchAssetMetadata, getHexFromDigest } from "./github-asset";
 import { getVerifiedManifest } from "./manifest";
-import { getGitHubManifestUrl } from "./url";
+import { gitHubAssetDownloadUrl } from "./url";
 
 class DigestVerificationError extends Error {}
 class UnsupportedAlgorithmError extends Error {}
@@ -93,7 +93,7 @@ export async function verifyAsset(
   let manifestBaseUrl = "";
   if (metadata) {
     assetName = metadata.name;
-    manifestBaseUrl = getGitHubManifestUrl(
+    manifestBaseUrl = gitHubAssetDownloadUrl(
       metadata.owner,
       metadata.repo,
       metadata.tag,