Remove ASF reference from export notice.
Remove ASF reference from export notice.

This occurred due to a poor copy-paste on my part.
abhaymaniyar/zulip-android,prati0100/zulip-android,saketkumar95/zulip-android,Sam1301/zulip-android,prati0100/zulip-android,zulip/zulip-android,saketkumar95/zulip-android,vishwesh3/zulip-android,abhaymaniyar/zulip-android,Sam1301/zulip-android