default-suites: Remove octobts tests

Since latest release firmware, we have been unable to start up octobts
correctly. As it's annoying having all those tests failing all the time,
let's disable them in nightly builds until we have a working OctoBTS
setup working again.

Change-Id: I828723193564b3a91aeac0c163c7c8c6b7e4058c

example/default-suites.conf

@@ -43,17 +43,6 @@
 - gprs:trx-sysmocell5000
 - gprs:trx-sysmocell5000+mod-bts0-dynts-ipa
 - gprs:trx-sysmocell5000+mod-bts0-dynts-osmo
-- sms:octphy
-- aoip_sms:octphy
-- ussd:octphy
-- aoip_ussd:octphy
-- voice:octphy+mod-bts0-ts-tchf+cfg-codec-fr1
-- voice:octphy+mod-bts0-ts-tchf+cfg-codec-fr2
-- voice:octphy+mod-bts0-ts-tchf+cfg-codec-fr3
-- voice:octphy+mod-bts0-ts-tchh+cfg-codec-hr1
-- voice:octphy+mod-bts0-ts-tchh+cfg-codec-hr2
-- voice:octphy+mod-bts0-ts-tchh+cfg-codec-hr3
-- gprs:octphy
 - sms:nanobts
 - aoip_sms:nanobts+band-1900
 - ussd:nanobts+band-1900