judge: remove useless suffix

packages/hydrojudge/src/hosts/builtin.ts

@@ -19,7 +19,7 @@ const logger = new Logger('judge');
 
 const session = {
     config: { detail: system.get('hydrojudge.detail') },
-    async fetchCodeFile(name: string) {
+    async fetchFile(name: string) {
         const target = path.join('/tmp/hydro/judge', name.replace(/\//g, '_'));
         await storage.get(`submission/${name}`, target);
         return target;

packages/hydrojudge/src/hosts/hydro.ts

@@ -105,7 +105,7 @@ export default class Hydro {
         return filePath;
     }
 
-    async fetchCodeFile(name: string) {
+    async fetchFile(name: string) {
         const res = await this.axios.post('judge/code', { id: name });
         const f = await this.axios.get(res.data.url, { responseType: 'stream' })
             .catch((e) => new Error(`DownloadFail(${name}): ${e.message}`));