drm/i915: Remove redundant store of logical CDCLK state

drm/i915: Remove redundant store of logical CDCLK state

commit 2b21dfbeee725778daed2c3dd45a3fc808176feb upstream.

We copied the original state into the atomic state already earlier in
the function, so no need to do it a second time.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190320135439.12201-3-imre.deak@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>