fix(swagger): remove trailing whitespace

Removes trailing whitespace.

Signed-off-by: Riccardo Mancini <mancio@amazon.com>

Author: Manciukic

src/firecracker/swagger/firecracker.yaml

@@ -1602,7 +1602,7 @@ definitions:
         type: string
         description:
           The new path for the backing Unix Domain Socket.
-          
+
   SnapshotLoadParams:
     type: object
     description: