Remove unneeded parameter

`black_bits_inverted` defaults to False in the core, so this is
redundant.

By removing this line, an override value can be provided via kwargs
if the default is incorrect.

adafruit_ssd1680.py

@@ -100,7 +100,6 @@ def __init__(self, bus: FourWire, **kwargs) -> None:
             busy_state=True,
             write_black_ram_command=0x24,
             write_color_ram_command=0x26,
-            black_bits_inverted=False,
             set_column_window_command=0x44,
             set_row_window_command=0x45,
             set_current_column_command=0x4E,