fix(settings): remove dns server option (#1416)

* fix(settings): remove dns server option

This PR removes the DNS Servers option added in #1266 because it doesn't seem to work reliably.

* style: remove whitespace change

server/lib/settings/index.ts

@@ -137,7 +137,6 @@ export interface MainSettings {
 export interface NetworkSettings {
   csrfProtection: boolean;
   forceIpv4First: boolean;
-  dnsServers: string;
   trustProxy: boolean;
   proxy: ProxySettings;
 }
@@ -510,7 +509,6 @@ class Settings {
         csrfProtection: false,
         trustProxy: false,
         forceIpv4First: false,
-        dnsServers: '',
         proxy: {
           enabled: false,
           hostname: '',

server/lib/settings/migrations/0005_migrate_network_settings.ts

@@ -10,7 +10,6 @@ const migrateNetworkSettings = (settings: any): AllSettings => {
     csrfProtection: settings.main.csrfProtection ?? false,
     trustProxy: settings.main.trustProxy ?? false,
     forceIpv4First: settings.main.forceIpv4First ?? false,
-    dnsServers: settings.main.dnsServers ?? '',
     proxy: settings.main.proxy ?? {
       enabled: false,
       hostname: '',
@@ -25,7 +24,6 @@ const migrateNetworkSettings = (settings: any): AllSettings => {
   delete settings.main.csrfProtection;
   delete settings.main.trustProxy;
   delete settings.main.forceIpv4First;
-  delete settings.main.dnsServers;
   delete settings.main.proxy;
   return newSettings;
 };