Remove legacy WiFi

BUG: 78296257
Test: Local build and boot, wifi connects
Change-Id: Ia624e7d079235e2ea7fa73d58db3252d19d0648f
Merged-In: Ia624e7d079235e2ea7fa73d58db3252d19d0648f
(cherry picked from commit dce042d76862bb312923f2a6e6aaa089264776f5)
5 files changed