[partition] Comment-out unsupported swap options

- I notice they get copied into distro configurations a lot,
   leading to warnings in the logs

src/modules/partition/partition.conf

@@ -34,10 +34,10 @@ efiSystemPartition:     "/boot/efi"
 # 8.8GiB on disk in the end).
 userSwapChoices:
     - none      # Create no swap, use no swap
-    - reuse     # Re-use existing swap, but don't create any (unsupported right now)
     - small     # Up to 4GB
     - suspend   # At least main memory size
-    - file      # To swap file instead of partition (unsupported right now)
+    # - reuse     # Re-use existing swap, but don't create any (unsupported right now)
+    # - file      # To swap file instead of partition (unsupported right now)
 
 # LEGACY SETTINGS (these will generate a warning)
 # ensureSuspendToDisk:    true