ms: Remove unused imports

Change-Id: Idd428d1bbd937a26a320eb69b1031856e49d3e4b

src/osmo_ms_driver/__main__.py

@@ -19,14 +19,13 @@
 from .event_server import EventServer
 from .simple_loop import SimpleLoop
 from .location_update_test import MassUpdateLocationTest
-from .cdf import ease_in_out_duration, linear_with_duration, cdfs
+from .cdf import cdfs
 from osmo_gsm_tester import log
 
 # System modules
 import argparse
 import atexit
 import datetime
-import subprocess
 import signal
 import tempfile
 import os.path

src/osmo_ms_driver/event_server.py

@@ -1,6 +1,5 @@
 
 from osmo_gsm_tester import log
-from functools import partial
 
 import time
 

src/osmo_ms_driver/simple_loop.py

@@ -16,7 +16,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from osmo_gsm_tester import log
-from functools import partial
 
 import os
 import selectors