chore: Do not print traceback in console

- Instead print class of error and the site name

frappe/utils/scheduler.py

@@ -43,9 +43,8 @@ def enqueue_events_for_all_sites():
 	for site in sites:
 		try:
 			enqueue_events_for_site(site=site)
-		except:
-			# it should try to enqueue other sites
-			print(frappe.get_traceback())
+		except Exception as e:
+			print(e.__class__, 'Failed to enqueue events for site: {}'.format(site))
 
 def enqueue_events_for_site(site):
 	def log_and_raise():