amdgpu: Remove AMDGPU_{HPD,CRTC_IRQ,PAGEFLIP_IRQ}_LAST

Not used anymore.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h

@@ -89,7 +89,6 @@ enum amdgpu_hpd_id {
 	AMDGPU_HPD_4,
 	AMDGPU_HPD_5,
 	AMDGPU_HPD_6,
-	AMDGPU_HPD_LAST,
 	AMDGPU_HPD_NONE = 0xff,
 };
 
@@ -106,7 +105,6 @@ enum amdgpu_crtc_irq {
 	AMDGPU_CRTC_IRQ_VLINE4,
 	AMDGPU_CRTC_IRQ_VLINE5,
 	AMDGPU_CRTC_IRQ_VLINE6,
-	AMDGPU_CRTC_IRQ_LAST,
 	AMDGPU_CRTC_IRQ_NONE = 0xff
 };
 
@@ -117,7 +115,6 @@ enum amdgpu_pageflip_irq {
 	AMDGPU_PAGEFLIP_IRQ_D4,
 	AMDGPU_PAGEFLIP_IRQ_D5,
 	AMDGPU_PAGEFLIP_IRQ_D6,
-	AMDGPU_PAGEFLIP_IRQ_LAST,
 	AMDGPU_PAGEFLIP_IRQ_NONE = 0xff
 };