PSOC6: remove CY8CKIT-062S2-4343W (not ready for release)
PSOC6: remove CY8CKIT-062S2-4343W (not ready for release)

Also removed _M0 targets that are no longer used.

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