Remove unneeded test/go-test-tmpfile565156097 (#4330)

This PR removes  test/go-test-tmpfile565156097 from commit 6bbb48d4.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

test/go-test-tmpfile565156097

-$ORIGIN example.org.
-@	3600 IN	SOA   sns.dns.icann.org. noc.dns.icann.org. (
-        2017042745 ; serial
-        7200       ; refresh (2 hours)
-        3600       ; retry (1 hour)
-        1209600    ; expire (2 weeks)
-        3600       ; minimum (1 hour)
-)
-
-    3600 IN NS    a.iana-servers.net.
-    3600 IN NS    b.iana-servers.net.
-
-chain1   3600 IN CNAME nxdomain
-nxdomain 3600 IN CNAME nxdomain.example.net.
-chain2   3600 IN CNAME srvfail
-srvfail  3600 IN CNAME srvfail.example.net.
-chain3   3600 IN CNAME nodata
-nodata   3600 IN CNAME nodata.example.net.
-