geoip: use context.service

packages/geoip/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/geoip",
     "version": "1.2.3",
-    "main": "package.json",
+    "main": "index.ts",
     "repository": "git@github.com:hydro-dev/Hydro.git",
     "author": "undefined <i@undefined.moe>",
     "license": "AGPL-3.0-or-later",
@@ -11,8 +11,5 @@
     "preferUnplugged": true,
     "scripts": {
         "prepublish": "./download.sh"
-    },
-    "peerDependencies": {
-        "hydrooj": "*"
     }
 }