drm/amdgpu: clean up nonexistent firmware declaration for Arcturus

CPG firmwares are not used.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -104,9 +104,6 @@ MODULE_FIRMWARE("amdgpu/raven2_mec2.bin");
 MODULE_FIRMWARE("amdgpu/raven2_rlc.bin");
 MODULE_FIRMWARE("amdgpu/raven_kicker_rlc.bin");
 
-MODULE_FIRMWARE("amdgpu/arcturus_ce.bin");
-MODULE_FIRMWARE("amdgpu/arcturus_pfp.bin");
-MODULE_FIRMWARE("amdgpu/arcturus_me.bin");
 MODULE_FIRMWARE("amdgpu/arcturus_mec.bin");
 MODULE_FIRMWARE("amdgpu/arcturus_mec2.bin");
 MODULE_FIRMWARE("amdgpu/arcturus_rlc.bin");