Revert "perf vendor events intel: Add metrics for Icelake Server"

It is making 'perf test 10' fail:

  ⬢[acme@toolbox perf]$ perf test 10
  10: PMU events                                                      :
  10.1: PMU event table sanity                                        : Ok
  10.2: PMU event map aliases                                         : Ok
  10.3: Parsing of PMU event table metrics                            : Ok
  10.4: Parsing of PMU event table metrics with fake PMUs             : FAILED!
  ⬢[acme@toolbox perf]

This reverts commit d89bf9ca.