perf vendor events intel: Update uncore event list for SkyLake Server

Update JSON uncore events for SkyLake Server.

Based on JSON list v1.24:

https://download.01.org/perfmon/SKX/

Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https //lore.kernel.org/r/20210810020508.31261-6-yao.jin@linux.intel.com
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>

tools/perf/pmu-events/arch/x86/skylakex/uncore-memory.json

@@ -64,15 +64,6 @@
         "UMask": "0x4",
         "Unit": "iMC"
     },
-    {
-        "BriefDescription": "Pre-charge for writes",
-        "Counter": "0,1,2,3",
-        "EventCode": "0x2",
-        "EventName": "UNC_M_PRE_COUNT.WR",
-        "PerPkg": "1",
-        "UMask": "0x8",
-        "Unit": "iMC"
-    },
     {
         "BriefDescription": "DRAM Page Activate commands sent due to a write request",
         "Counter": "0,1,2,3",