Revert "reg: qcom: call reg notifier during wiphy registration"

This reverts commit 2aa0bb3a. Upstream
commit aced43ce780dc5 ("cfg80211: Call reg_notifier for self managed
hints conditionally") replaces this functionality.

Change-Id: If52d83577ab2f136540f70ba17d417718ba05ddf
CRs-Fixed: 2201959
Signed-off-by: Amar Singhal <asinghal@codeaurora.org>