mctp-controller-init: Remove mctp link mtu being set to 68

Remove mctp link mtu being set to 68 to let it default to max

Fusion-Link: fusion2,n/a
Tested: https://paste.googleplex.com/4837786447380480
Google-Bug-Id: b/524781293
Change-Id: I71b634d5b380c032c86da4c1eaed4fe8fd844994
Signed-off-by: Agrim Bharat <agrimbharat@google.com>

recipes-connectivity/mctp-controller-init/mctp-controller-init-v3/mctp-controller-init.sh

diff --git a/recipes-connectivity/mctp-controller-init/mctp-controller-init-v3/mctp-controller-init.sh b/recipes-connectivity/mctp-controller-init/mctp-controller-init-v3/mctp-controller-init.sh
index 24c5dc5..bce7372 100644
--- a/recipes-connectivity/mctp-controller-init/mctp-controller-init-v3/mctp-controller-init.sh
+++ b/recipes-connectivity/mctp-controller-init/mctp-controller-init-v3/mctp-controller-init.sh
@@ -63,7 +63,6 @@
       fi
 
       echo "mctp link set ${ifname} up network $net"
-      mctp link set "${ifname}" mtu 68
       mctp link set "${ifname}" up network "${net}"
     fi