Remove v8.profiler.hires tracing category

We will always run the profiler in hi res mode now.

Bug: 1082220

Change-Id: Iba458530674d80ae52390b42db1146a43514397d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2199278Reviewed-by: Sami Kyöstilä <skyostil@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770053}

base/trace_event/builtin_categories.h

@@ -228,7 +228,6 @@
   X(TRACE_DISABLED_BY_DEFAULT("user_action_samples"))                    \
   X(TRACE_DISABLED_BY_DEFAULT("v8.compile"))                             \
   X(TRACE_DISABLED_BY_DEFAULT("v8.cpu_profiler"))                        \
-  X(TRACE_DISABLED_BY_DEFAULT("v8.cpu_profiler.hires"))                  \
   X(TRACE_DISABLED_BY_DEFAULT("v8.gc"))                                  \
   X(TRACE_DISABLED_BY_DEFAULT("v8.gc_stats"))                            \
   X(TRACE_DISABLED_BY_DEFAULT("v8.ic_stats"))                            \