drm/i915/sdvo: Remove duplicate SET_INPUT_TIMINGS_PART1 cmd name string

sdvo_cmd_names[] contains two entries for SET_INPUT_TIMINGS_PART1.
Remove one of them.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190619180312.31817-3-ville.syrjala@linux.intel.com


Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>