Chore: Remove unused Go code (#28852)

* Chore: Remove more unused Go code

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/tsdb/cloudwatch/cloudwatch_query.go

@@ -69,7 +69,3 @@ func (q *cloudWatchQuery) isMultiValuedDimensionExpression() bool {
 
 	return false
 }
-
-func (q *cloudWatchQuery) isMetricStat() bool {
-	return !q.isSearchExpression() && !q.isMathExpression()
-}

pkg/tsdb/cloudwatch/cloudwatch_query_test.go

@@ -137,3 +137,7 @@ func TestCloudWatchQuery(t *testing.T) {
 		assert.False(t, query.isMetricStat(), "Expected not metric stat")
 	})
 }
+
+func (q *cloudWatchQuery) isMetricStat() bool {
+	return !q.isSearchExpression() && !q.isMathExpression()
+}