fix(tracemetrics): Hide unit rows for now (#103012)

This hides unit information until we display it correctly.

Closes LOGS-502

Author: k-fish

static/app/views/explore/hooks/useMetricOptions.spec.tsx

@@ -63,7 +63,7 @@ describe('useMetricOptions', () => {
       match: [
         MockApiClient.matchQuery({
           dataset: DiscoverDatasets.TRACEMETRICS,
-          field: ['metric.name', 'metric.type', 'metric.unit', 'count(metric.name)'],
+          field: ['metric.name', 'metric.type', 'count(metric.name)'],
           referrer: 'api.explore.metric-options',
         }),
       ],
@@ -112,7 +112,7 @@ describe('useMetricOptions', () => {
       expect.objectContaining({
         query: expect.objectContaining({
           dataset: 'tracemetrics',
-          field: ['metric.name', 'metric.type', 'metric.unit', 'count(metric.name)'],
+          field: ['metric.name', 'metric.type', 'count(metric.name)'],
           referrer: 'api.explore.metric-options',
           statsPeriod: '3d',
         }),

static/app/views/explore/hooks/useMetricOptions.tsx

@@ -37,7 +37,6 @@ function metricOptionsQueryKey({
     field: [
       TraceMetricKnownFieldKey.METRIC_NAME,
       TraceMetricKnownFieldKey.METRIC_TYPE,
-      TraceMetricKnownFieldKey.METRIC_UNIT,
       `count(${TraceMetricKnownFieldKey.METRIC_NAME})`,
     ],
     query: searchValue.formatString(),

static/app/views/explore/metrics/metricToolbar/metricSelector.tsx

@@ -62,7 +62,6 @@ export function MetricSelector({traceMetric}: {traceMetric: TraceMetric}) {
           type: option[TraceMetricKnownFieldKey.METRIC_TYPE] as TraceMetricTypeValue,
         }),
         metricType: option[TraceMetricKnownFieldKey.METRIC_TYPE],
-        metricUnit: option[TraceMetricKnownFieldKey.METRIC_UNIT],
         metricName: option[TraceMetricKnownFieldKey.METRIC_NAME],
         trailingItems: (
           <MetricTypeBadge metricType={option[TraceMetricKnownFieldKey.METRIC_TYPE]} />