drm/i915: Remove dead members from dev_priv

Remove some zombies from our device structure.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321195006.775-4-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/i915_drv.h

@@ -632,12 +632,6 @@ struct drm_i915_private {
 
 	struct list_head global_obj_list;
 
-	/*
-	 * For reading active_pipes holding any crtc lock is
-	 * sufficient, for writing must hold all of them.
-	 */
-	u8 active_pipes;
-
 	struct i915_frontbuffer_tracking fb_tracking;
 
 	struct intel_atomic_helper {
@@ -667,8 +661,6 @@ struct drm_i915_private {
 
 	struct i915_gpu_error gpu_error;
 
-	struct drm_i915_gem_object *vlv_pctx;
-
 	/* list of fbdev register on this device */
 	struct intel_fbdev *fbdev;
 	struct work_struct fbdev_suspend_work;
@@ -689,7 +681,6 @@ struct drm_i915_private {
 	u32 bxt_phy_grc;
 
 	u32 suspend_count;
-	bool power_domains_suspended;
 	struct i915_suspend_saved_registers regfile;
 	struct vlv_s0ix_state *vlv_s0ix_state;