pybricks.robotics.DriveBase: Drop positive direction.

This reverts commit e4650cb1c9.

This is not needed for gyro support, so it is better to remove it
before it is ever released.

jedi/tests/test_complete_import.py

@@ -159,7 +159,9 @@ def test_from_pybricks_pupdevices_import():
 def test_from_pybricks_robotics_import():
     code = "from pybricks.robotics import "
     completions: list[CompletionItem] = json.loads(complete(code, 1, len(code) + 1))
-    assert [c["insertText"] for c in completions] == ["DriveBase"]
+    assert [c["insertText"] for c in completions] == [
+        "DriveBase",
+    ]
 
 
 def test_from_pybricks_tools_import():

jedi/tests/test_get_signature.py

@@ -148,7 +148,6 @@ CONSTRUCTOR_PARAMS = [
                 "right_motor: Motor",
                 "wheel_diameter: Number",
                 "axle_track: Number",
-                "positive_direction: Direction=Direction.CLOCKWISE",
             ]
         ],
     ),