Remove tests for specific cores
Remove tests for specific cores

Don't use core type (PARTNO) to check for features - use
architecturally-defined checks.

flit/pyOCD,mbedmicro/pyOCD,pyocd/pyOCD,pyocd/pyOCD,mesheven/pyOCD,mbedmicro/pyOCD,flit/pyOCD,mbedmicro/pyOCD,mesheven/pyOCD,mesheven/pyOCD