wifi: Remove dynamic interfaces as part of wifi chip stop/cleanup.

During interface initialization for additional SAP/STA request, new
interface is created dynamically. This interface is removed during
teardown. In cases, where wifi stop request comes before teardown,
dynamically created interface(s) are not getting destroyed.

This CL is to remove dynamically created interfaces as part of wifi
chip stop/cleanup. Additionally, move invalidateAndRemoveDependencies
before remove interface.

Change-Id: I2df499252670f63ee22223176c71273b33f70679
CRs-Fixed: 2533958