Remove doubly defined events from the combined Sandy / Ivy Bridge event table to fix my previous commit.
Remove doubly defined events from the combined Sandy / Ivy Bridge event table to fix my previous commit.

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