tests/legacy_api/test_window.py(refactor): Remove unused has_gte_version import

why: tmux >= 3.2a now required, import no longer needed after rebase

Author: tony

tests/legacy_api/test_window.py

@@ -10,7 +10,7 @@
 import pytest
 
 from libtmux import exc
-from libtmux.common import has_gte_version, has_version
+from libtmux.common import has_version
 from libtmux.pane import Pane
 from libtmux.server import Server
 from libtmux.window import Window