MAINTAINERS: remove Lars Povlsen from Microchip Sparx5 SoC

MAINTAINERS: remove Lars Povlsen from Microchip Sparx5 SoC

We have not seen emails or tags from Lars in almost 4 years.
Steen and Daniel are pretty active, but the review coverage
isn't stellar (35% of changes go in without a review tag).

Subsystem ARM/Microchip Sparx5 SoC support
  Changes 28 / 79 (35%)
  Last activity: 2024-11-24
  Lars Povlsen <lars.povlsen@microchip.com>:
  Steen Hegelund <Steen.Hegelund@microchip.com>:
    Tags 6c7c4b91aa43 2024-04-08 00:00:00 15
  Daniel Machon <daniel.machon@microchip.com>:
    Author 48ba00da2eb4 2024-04-09 00:00:00 2
    Tags f164b296638d 2024-11-24 00:00:00 6
  Top reviewers:
    [7]: horms@kernel.org
    [1]: jacob.e.keller@intel.com
    [1]: jensemil.schulzostergaard@microchip.com
    [1]: horatiu.vultur@microchip.com
  INACTIVE MAINTAINER Lars Povlsen <lars.povlsen@microchip.com>

Acked-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/20250108155242.2575530-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>