perfctr: don't read in event table multiple times
perfctr: don't read in event table multiple times

papi_libpfm3_events.c now reads in the predefined events, we
don't also need to do this in perfctr setup_x86_presets()

pyrovski/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi