mt76: fix use-after-free by removing a non-RCU wcid pointer
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.3 by commit d5f77f1dbb59feae81f88e44551e8e1d8a802d9a. For more details please see the references link.