Don't set Host header manually

It's taken care of by the requests module, based on the url we're
posting to, so no need to juggle the host header ourselves.

pyicloud/base.py

@@ -57,7 +57,6 @@ class PyiCloudService(object):
         self.session = requests.Session()
         self.session.verify = verify
         self.session.headers.update({
-            'Host': 'setup.icloud.com',
             'Origin': self._home_endpoint,
             'Referer': '%s/' % self._home_endpoint,
             'User-Agent': 'Opera/9.52 (X11; Linux i686; U; en)'

pyicloud/services/calendar.py

@@ -57,8 +57,6 @@ class CalendarService(object):
         Fetches a single event's details by specifying a pguid
         (a calendar) and a guid (an event's ID).
         """
-        host = self._service_root.split('//')[1].split(':')[0]
-        self.session.headers.update({'host': host})
         params = dict(self.params)
         params.update({'lang': 'en-us', 'usertz': self.get_system_tz()})
         url = '%s/%s/%s' % (self._calendar_event_detail_url, pguid, guid)
@@ -78,8 +76,6 @@ class CalendarService(object):
             from_dt = datetime(today.year, today.month, first_day)
         if not to_dt:
             to_dt = datetime(today.year, today.month, last_day)
-        host = self._service_root.split('//')[1].split(':')[0]
-        self.session.headers.update({'host': host})
         params = dict(self.params)
         params.update({
             'lang': 'en-us',

pyicloud/services/contacts.py

@@ -22,8 +22,6 @@ class ContactsService(object):
         Refreshes the ContactsService endpoint, ensuring that the
         contacts data is up-to-date.
         """
-        host = self._service_root.split('//')[1].split(':')[0]
-        self.session.headers.update({'host': host})
         params_contacts = dict(self.params)
         params_contacts.update({
             'clientVersion': '2.1',

pyicloud/services/findmyiphone.py

@@ -33,8 +33,6 @@ class FindMyiPhoneServiceManager(object):
         This ensures that the location data is up-to-date.
 
         """
-        host = self._service_root.split('//')[1].split(':')[0]
-        self.session.headers.update({'host': host})
         req = self.session.post(
             self._fmip_refresh_url,
             params=self.params,

pyicloud/services/ubiquity.py

@@ -13,9 +13,6 @@ class UbiquityService(object):
         self._service_root = service_root
         self._node_url = '/ws/%s/%s/%s'
 
-        host = self._service_root.split('//')[1].split(':')[0]
-        self.session.headers.update({'host': host})
-
     def get_node_url(self, id, variant='item'):
         return self._service_root + self._node_url % (
             self.params['dsid'],