configs: Remove lpae and virtualisation options

lpae is already defaulting to True in the ArmSystem, so the check is
useless (args.lpae cannot clear system.lpae)

If you want to run an hypervisor, you shouldn't be using fs.py in the
first place

Change-Id: I4d631561d62399b946106a90c14454115040c206
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/51007
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

configs/common/Options.py

@@ -260,9 +260,6 @@ def addCommonOptions(parser):
                       Elastic Trace probe in a capture simulation and
                       Trace CPU in a replay simulation""", default="")
 
-    parser.add_argument("-l", "--lpae", action="store_true")
-    parser.add_argument("-V", "--virtualisation", action="store_true")
-
     # dist-gem5 options
     parser.add_argument("--dist", action="store_true",
                         help="Parallel distributed gem5 simulation.")