refactor: click tracker remove unused imports

app/routes.cr

@@ -22,7 +22,7 @@ module App
     Controllers::LinkController.new(env).redirect
   end
 
-  # namespace /api
+  # Namespace /api
   get "/api/ping" do |env|
     Controllers::PingController.new(env).ping
   end

app/services/cli.cr

@@ -13,7 +13,7 @@ module App::Services::Cli
     user.api_key = api_key || Random::Secure.urlsafe_base64()
 
     changeset = App::Lib::Database.insert(user)
-    return changeset.errors if !changeset.valid?
+    return changeset.errors unless changeset.valid?
 
     "New user created: Name: #{user.name}, X-Api-Key: #{user.api_key}"
   end

app/services/click_tracker.cr

@@ -1,8 +1,5 @@
 require "user_agent_parser"
 
-require "../lib/*"
-require "../models/*"
-
 UserAgent.load_regexes(File.read("data/uap_core_regexes.yaml"))
 IpLookup.load_mmdb("data/GeoLite2-Country.mmdb")