chore: remove redundant words (#6348)

(cherry picked from commit 9289c7512d)

app/vmagent/remotewrite/pendingseries_test.go

@@ -34,7 +34,7 @@ func testPushWriteRequest(t *testing.T, rowsCount, expectedBlockLenProm, expecte
 			return true
 		}
 		if !tryPushWriteRequest(wr, pushBlock, isVMRemoteWrite) {
-			t.Fatalf("cannot push data to to remote storage")
+			t.Fatalf("cannot push data to remote storage")
 		}
 		if math.Abs(float64(pushBlockLen-expectedBlockLen)/float64(expectedBlockLen)*100) > tolerancePrc {
 			t.Fatalf("unexpected block len for rowsCount=%d, isVMRemoteWrite=%v; got %d bytes; expecting %d bytes +- %.0f%%",

app/vmctl/opentsdb/opentsdb.go

@@ -26,7 +26,7 @@ type Retention struct {
 	FirstOrder  string
 	SecondOrder string
 	AggTime     string
-	// The actual ranges will will attempt to query (as offsets from now)
+	// The actual ranges will attempt to query (as offsets from now)
 	QueryRanges []TimeRange
 }
 

docs/stream-aggregation.md

@@ -1073,7 +1073,7 @@ This may lead to the following issues:
   since they ignore the first sample in a new time series.
 - Unexpected spikes for [total](#total) and [increase](#increase) outputs, since they assume that new time series start from 0.
 
-These issues can be be fixed in the following ways:
+These issues can be fixed in the following ways:
 
 - By increasing the `interval` option at [stream aggregation config](#stream-aggregation-config), so it covers the expected
   delays in data ingestion pipelines.