refactor: remove unused imports in test_blinkstick.py

Author: robberwick

tests/clients/test_blinkstick.py

@@ -6,9 +6,6 @@
 from blinkstick.clients.blinkstick import BlinkStick
 from blinkstick.colors import ColorFormat
 from blinkstick.enums import BlinkStickVariant
-from blinkstick.clients.blinkstick import BlinkStick
-from pytest_mock import MockFixture
-
 from blinkstick.exceptions import NotConnected, UnsupportedOperation
 from tests.conftest import make_blinkstick