Replace suites dyn_ts_ipa* and voice using scenario modifiers

Now that we support modifiers in scenario files, we don't need to
duplicate tests and testsuites to dynamically set trx configuration at
run time. It can be done more easily with scenario modifiers.

Change-Id: I80c441bb5b98d5d2e95d4c6ae1efab3e5f3c40d9
17 files changed