Always force accept into the API after checking for acceptable ourselves

This removes the 2nd line of defense, but there is no API to accept multiple
stagings at once to avoid the underlying problem.

Fixes #2364

osclib/accept_command.py

@@ -102,9 +102,9 @@ class AcceptCommand(object):
         print('delete links to packages pending deletion...')
         self.delete_linked()
 
-        opts = {}
-        if force:
-            opts['force'] = '1'
+        # we have checked ourselves and accepting one staging project creates a race
+        # for the other staging projects to appear building again
+        opts = { 'force': '1' }
 
         print('triggering staging accepts...')
         for project in staging_packages.keys():