drm/i915: Remove dead code from skl_pipe_wm_get_hw_state()

There is nothing else to be executed after this if block.
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210212182201.155043-2-jose.souza@intel.com

drivers/gpu/drm/i915/intel_pm.c

@@ -6182,9 +6182,6 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
 
 		skl_wm_level_from_reg_val(val, &wm->trans_wm);
 	}
-
-	if (!crtc->active)
-		return;
 }
 
 void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)