[partition] Include all possible SwapChoices in example

src/modules/partition/partition.conf

@@ -26,10 +26,10 @@ 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
+    - reuse     # Re-use existing swap, but don't create any
     - small     # Up to 4GB
     - suspend   # At least main memory size
-    # - file      # To swap file instead of partition (unsupported right now)
+    - file      # To swap file instead of partition (unsupported right now)
 
 # LEGACY SETTINGS (these will generate a warning)
 # ensureSuspendToDisk:    true