Cycles: show Metal device in preferences also on Intel Macs

In anticipation of enabling AMD Metal support.

Ref D14090, T92212

release/scripts/startup/bl_ui/space_userpref.py

@@ -594,14 +594,6 @@ class USERPREF_PT_system_sound(SystemPanel, CenterAlignMixIn, Panel):
 class USERPREF_PT_system_cycles_devices(SystemPanel, CenterAlignMixIn, Panel):
     bl_label = "Cycles Render Devices"
 
-    @classmethod
-    def poll(cls, _context):
-        # No GPU rendering on macOS x86_64 currently.
-        import platform
-        import sys
-        return bpy.app.build_options.cycles and \
-               (sys.platform != "darwin" or platform.machine() == "arm64")
-
     def draw_centered(self, context, layout):
         prefs = context.preferences