Remove ipaddress modifications

lib/elasticsearch/drain/node.rb

@@ -53,21 +53,21 @@ def name
       #
       # @return [String] Elasticsearch node ipaddress
       def ipaddress
-        address(info[1]['http_address']).split(':')[0]
+        info[1]['http_address'].split(':')[0]
       end
 
       # The Elasticsearch node Transport Address
       #
       # @return [String] Elasticsearch node Transport Address
       def transport_address
-        address(info[1]['transport_address'])
+        info[1]['transport_address']
       end
 
       # The Elasticsearch node HTTP Address
       #
       # @return [String] Elasticsearch nodes HTTP Address
       def http_address
-        address(info[1]['http_address'])
+        info[1]['http_address']
       end
 
       # Get size in bytes used for indices for a node
@@ -77,14 +77,6 @@ def bytes_stored
         stats[1]['indices']['store']['size_in_bytes']
       end
 
-      # Extract ip:port from string passed in
-      #
-      # @param [String] str The address object to parse for the ip:port
-      # @return [String] ip:port pair from the data passed in
-      def address(str)
-        str.match(/.+\[\/(.+)\]/)[1]
-      end
-
       def in_recovery?
         recovery = client.cat.recovery(format: 'json', v: true).first.values
         [hostname, name].any? { |a| recovery.include?(a) }