removed MIC related functions and events from the user API
removed MIC related functions and events from the user API

c1728p9/mbed-os,mbedmicro/mbed,betzw/mbed-os,andcor02/mbed-os,andcor02/mbed-os,andcor02/mbed-os,kjbracey-arm/mbed,mbedmicro/mbed,c1728p9/mbed-os,c1728p9/mbed-os,c1728p9/mbed-os,andcor02/mbed-os,betzw/mbed-os,kjbracey-arm/mbed,betzw/mbed-os,mbedmicro/mbed,mbedmicro/mbed,c1728p9/mbed-os,kjbracey-arm/mbed,andcor02/mbed-os,c1728p9/mbed-os,betzw/mbed-os,andcor02/mbed-os,betzw/mbed-os,mbedmicro/mbed,betzw/mbed-os,kjbracey-arm/mbed