Update user agent

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/api/helpers/api/ApiHelper.java

@@ -22,9 +22,7 @@ package com.nextcloud.talk.api.helpers.api;
 import android.net.Uri;
 
 import com.nextcloud.talk.BuildConfig;
-import com.nextcloud.talk.R;
 import com.nextcloud.talk.api.models.RetrofitBucket;
-import com.nextcloud.talk.application.NextcloudTalkApplication;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -35,9 +33,10 @@ public class ApiHelper {
     private static String ocsApiVersion = "/ocs/v2.php";
     private static String spreedApiVersion = "/apps/spreed/api/v1";
 
+    private static String userAgent = "Mozilla/5.0 (Android) Nextcloud-Talk v";
+
     public static String getUserAgent() {
-        return NextcloudTalkApplication.getSharedApplication().getResources().getString(R.string.nc_app_name) +
-                " Android v" + BuildConfig.VERSION_NAME;
+        return userAgent + BuildConfig.VERSION_NAME;
     }
 
     public static RetrofitBucket getRetrofitBucketForContactsSearch(String baseUrl, String searchQuery) {