remove unneeded setup for ar

app/models/carto/user_service.rb

@@ -172,8 +172,6 @@ module Carto
       options[:username] = @user.database_username
       options[:password] = @user.database_password
       options[:user_schema] = @user.database_schema
-      db_config = Rails.configuration.database_configuration[Rails.env]
-      options[:connect_timeout] = db_config['connect_timeout']
       Carto::Db::Connection.connect(@user.database_host, @user.database_name, options) do |_, connection|
         if block_given?
           yield(connection)

lib/carto/db/connection.rb

@@ -89,7 +89,7 @@ module Carto
             database: db_name,
             port:     base_config['port'],
             encoding: base_config['encoding'].nil? ? 'unicode' : base_config['encoding'],
-            connect_timeout: options[:connect_timeout]
+            connect_timeout: base_config['connect_timeout']
           }
 
           case options[:as]

spec/models/carto/user_service_spec.rb

@@ -22,8 +22,7 @@ describe Carto::UserService do
       default_opts = {
         username: carto_user.database_username,
         password: carto_user.database_password,
-        user_schema: carto_user.database_schema,
-        connect_timeout: -1
+        user_schema: carto_user.database_schema
       }
       expected_params = [carto_user.database_host, carto_user.database_name, default_opts]