delete: ipv6 from test

software/slapos-sr-testing/buildout.hash.cfg

@@ -15,4 +15,4 @@
 
 [template]
 filename = instance.cfg
-md5sum = 298bac4a631de3b30593b9a1dcf63e1c
+md5sum = ee1f69e98aec68b576a539f0c47d822c
\ No newline at end of file

software/slapos-sr-testing/instance.cfg

@@ -38,5 +38,4 @@ command-line =
 environment =
   PATH={{ buildout['bin-directory'] }}:{{ curl_location }}/bin/:/usr/bin/:/bin
   SLAPOS_TEST_IPV4=${slap-configuration:ipv4-random}
-  SLAPOS_TEST_IPV6=${slap-configuration:ipv6-random}
   SLAPOS_TEST_WORKING_DIR=${directory:working-dir}