drm/bridge: tda998x: Remove component support

drm/bridge: tda998x: Remove component support

The tilcdc driver no longer uses the component framework to bind the
tda998x bridge driver. The component bind/unbind operations and the
encoder initialization code are now dead code and can be safely removed.

Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Kory Maincent (TI.com) <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20260123-feature_tilcdc-v5-21-5a44d2aa3f6f@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>