remove unnecessary reject_draft refs in HostExports

As we should be able to guarantee that builder won't do that.

kojihub/kojihub.py

@@ -14919,7 +14919,6 @@ class HostExports(object):
         # ensure release is None so get_next_build will handle incrementing
         build_info['release'] = None
         data = build_info.copy()
-        reject_draft(data)
         data['task_id'] = task_id
         data['owner'] = task.getOwner()
         data['state'] = koji.BUILD_STATES['BUILDING']
@@ -15085,7 +15084,6 @@ class HostExports(object):
         task = Task(task_id)
         task.assertHost(host.id)
         data = build_info.copy()
-        reject_draft(data)
         data['task_id'] = task_id
         data['owner'] = task.getOwner()
         data['state'] = koji.BUILD_STATES['BUILDING']
@@ -15108,7 +15106,6 @@ class HostExports(object):
         task.assertHost(host.id)
         # build_info must contain name, version, and release
         data = build_info.copy()
-        reject_draft(data)
         data['task_id'] = task_id
         data['owner'] = task.getOwner()
         data['state'] = koji.BUILD_STATES['BUILDING']

vm/kojikamid.py

@@ -378,6 +378,7 @@ class WindowsBuild(object):
             buildinfo = self.server.getLatestBuild(self.build_tag, buildreq,
                                                    self.task_opts.get('repo_id'))
             # don't allow draft build in buildrequires
+            # TODO: remove it when ready for win build
             if buildinfo.get('draft'):
                 raise BuildError(    # noqa: F821
                     "Draft build: %s is not supported in buildrequires" % buildinfo['nvr']