DEV: revert missing license for maxmind changes (#24538)

Reverts
 
 - DEV: maxmind license checking failing tests #24534 
 - UX: Show if MaxMind key is missing on IP lookup #18993

These changes are leading to surprising results, our logs are now filling up with warnings on dev environments 

We need the change to be redone

app/assets/javascripts/admin/addon/components/ip-lookup.hbs

@@ -31,15 +31,7 @@
 
         <dt>{{i18n "ip_lookup.location"}}</dt>
         <dd>
-          {{#if this.location.no_license}}
-            <a
-              href="https://meta.discourse.org/t/configure-maxmind-for-reverse-ip-lookups/173941"
-              rel="noopener noreferrer"
-              target="_blank"
-            >
-              {{i18n "ip_lookup.no_license"}}
-            </a>
-          {{else if this.location.location}}
+          {{#if this.location.location}}
             <a
               href="https://maps.google.com/maps?q={{this.location.latitude}},{{this.location.longitude}}"
               rel="noopener noreferrer"

config/locales/client.en.yml

@@ -1078,7 +1078,6 @@ en:
       confirm_delete_other_accounts: "Are you sure you want to delete these accounts?"
       powered_by: "using <a href='https://maxmind.com'>MaxMindDB</a>"
       copied: "copied"
-      no_license: "You must configure MaxMind to enable GeoIP information. This is configured using DISCOURSE_MAXMIND_LICENSE_KEY in your container config. If you are on a hosted Discourse service, contact your service provider."
 
     user_fields:
       none: "(select an option)"

lib/discourse_ip_info.rb

@@ -105,8 +105,6 @@ class DiscourseIpInfo
           message: "IP #{ip} could not be looked up in MaxMind GeoLite2-City database.",
         )
       end
-    else
-      ret[:no_license] = true
     end
 
     if @asn_mmdb

spec/serializers/user_auth_token_serializer_spec.rb

@@ -3,7 +3,6 @@
 RSpec.describe UserAuthTokenSerializer do
   fab!(:user) { Fabricate(:moderator) }
   let(:token) { UserAuthToken.generate!(user_id: user.id, client_ip: "2a02:ea00::", staff: true) }
-  # Assign a dummy MaxMind license key, which is now checked in open_db
 
   before(:each) { DiscourseIpInfo.open_db(File.join(Rails.root, "spec", "fixtures", "mmdb")) }