db: Fix fall-out with the subscriber removal in the subscriber deletion code

The sender_id is gone so the code that attempted to delete SMS
didn't work anymore. Delete the SMS based on src_addr or the
dest_addr.

Fixes:
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ERROR: testSubscriberAddRemove (__main__.TestCtrlNITB)
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Traceback (most recent call last):
  File "tests/ctrl_test_runner.py", line 379, in testSubscriberAddRemove
    r = self.do_set('subscriber-delete-v1', '2620345')
  File "tests/ctrl_test_runner.py", line 114, in do_set
    return self.recv_msgs()[id]
KeyError: 1002

0 files changed, 0 insertions, 0 deletions