mini fixes

Author: leonovk

lib/wire_guard/server.rb

@@ -26,7 +26,8 @@ def new_config(params)
     def all_configs
       return {} if configs_empty?
 
-      @configs.except('last_id')
+      # TODO: Remove 'last_address' in future versions
+      @configs.except('last_id', 'last_address')
     end
 
     def config(id)

lib/wire_guard/server_config_updater.rb

@@ -29,7 +29,8 @@ def update
       new_config_build = []
       new_config_build << base_config
 
-      json_config['configs'].except('last_id').each_value do |config|
+      # TODO: Remove 'last_address' in future versions
+      json_config['configs'].except('last_id', 'last_address').each_value do |config|
         # NOTE: We simply skip the config and do not add it to the initial configuration,
         # if the 'enable == false'
         next if config['enable'] == false