Remove examples

Author: dnhatn

docs/reference/query-languages/esql/_snippets/functions/examples/avg_over_time.md

@@ -46,9 +46,7 @@ public class AvgOverTime extends TimeSeriesAggregateFunction implements Optional
         type = FunctionType.TIME_SERIES_AGGREGATE,
         appliesTo = { @FunctionAppliesTo(lifeCycle = FunctionAppliesToLifecycle.PREVIEW, version = "9.2.0") },
         preview = true,
-        examples = {
-            @Example(file = "k8s-timeseries", tag = "avg_over_time"),
-            @Example(file = "k8s-timeseries-avg-over-time", tag = "avg_over_time_with_window") }
+        examples = { @Example(file = "k8s-timeseries", tag = "avg_over_time") }
     )
     public AvgOverTime(
         Source source,

docs/reference/query-languages/esql/_snippets/functions/examples/rate.md

@@ -53,7 +53,7 @@ public class Rate extends TimeSeriesAggregateFunction implements OptionalArgumen
             + "[`TS`](/reference/query-languages/esql/commands/ts.md) source command, to be properly applied per time series.",
         appliesTo = { @FunctionAppliesTo(lifeCycle = FunctionAppliesToLifecycle.PREVIEW, version = "9.2.0") },
         preview = true,
-        examples = { @Example(file = "k8s-timeseries", tag = "rate"), @Example(file = "k8s-timeseries-rate", tag = "rate_with_window") }
+        examples = { @Example(file = "k8s-timeseries", tag = "rate") }
     )
 
     public Rate(