[REF] google_calendar: remove useless code/comments

Closes #2207

Courtesy of Tomasz Wysocki (@tomwys)

addons/google_calendar/google_calendar.py

@@ -20,11 +20,8 @@ import logging
 _logger = logging.getLogger(__name__)
 
 
-def status_response(status, substr=False):
-    if substr:
-        return int(str(status)[0])
-    else:
-        return status_response(status, substr=True) == 2
+def status_response(status):
+    return int(str(status)[0]) == 2
 
 
 class Meta(type):
@@ -99,7 +96,6 @@ class SyncEvent(object):
                         tmpSrc = 'OE'
                     assert tmpSrc in ['GG', 'OE']
 
-                    #if self.OP.action == None:
                     if self[tmpSrc].isRecurrence:
                         if self[tmpSrc].status:
                             self.OP = Update(tmpSrc, 'Only need to update, because i\'m active')
@@ -312,7 +308,6 @@ class google_calendar(osv.AbstractModel):
             'fields': 'items,nextPageToken',
             'access_token': token,
             'maxResults': 1000,
-            #'timeMin': self.get_minTime(cr, uid, context=context).strftime("%Y-%m-%dT%H:%M:%S.%fz"),
         }
 
         if lastSync:
@@ -552,18 +547,6 @@ class google_calendar(osv.AbstractModel):
         if context is None:
             context = {}
 
-        # def isValidSync(syncToken):
-        #     gs_pool = self.pool['google.service']
-        #     params = {
-        #         'maxResults': 1,
-        #         'fields': 'id',
-        #         'access_token': self.get_token(cr, uid, context),
-        #         'syncToken': syncToken,
-        #     }
-        #     url = "/calendar/v3/calendars/primary/events"
-        #     status, response = gs_pool._do_request(cr, uid, url, params, type='GET', context=context)
-        #     return int(status) != 410
-
         user_to_sync = ids and ids[0] or uid
         current_user = self.pool['res.users'].browse(cr, SUPERUSER_ID, user_to_sync, context=context)
 
@@ -927,7 +910,7 @@ class google_calendar(osv.AbstractModel):
         return current_user.google_calendar_rtoken is False
 
     def get_calendar_scope(self, RO=False):
-        readonly = RO and '.readonly' or ''
+        readonly = '.readonly' if RO else ''
         return 'https://www.googleapis.com/auth/calendar%s' % (readonly)
 
     def authorize_google_uri(self, cr, uid, from_url='http://www.openerp.com', context=None):