removed unneccessary __str__ methods

src/alpine_bits_python/alpinebits_guestrequests.py

@@ -131,15 +131,6 @@ class RoomStay:
             guests_elem.append(guest.to_xml())
         return roomstay_elem
 
-    def __str__(self):
-        from lxml import etree
-
-        elem = self.to_xml()
-        xml_bytes = ET.tostring(elem, encoding="utf-8")
-        parser = etree.XMLParser(remove_blank_text=True)
-        lxml_elem = etree.fromstring(xml_bytes, parser)
-        return etree.tostring(lxml_elem, pretty_print=True, encoding="unicode")
-
 
 class Reservation:
     def __init__(