Revert "wifi: cfg80211: fix cqm_config access race"

This reverts commit c797498e which is
commit 37c20b2e upstream.

It breaks the Android ABI so revert it for now, if it is needed in the
future, it can be brought back in an ABI-safe way.

Bug: 161946584
Change-Id: Ida8b8621fb3099fd1b40aae5ad481139e7d7f173
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>