drm/exynos: remove explicit encoder/connector de-initialization

All KMS objects are destroyed by drm_mode_config_cleanup in proper order
so component drivers should not care about it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --cc drivers/gpu/drm/exynos/exynos_dp_core.c
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_drm_dpi.c
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_drm_dsi.c
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_drm_vidi.c
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_hdmi.c
Simple merge