internal/postgres: delete update in upsertSymbolNamesReturningIDs

This update is no longer necessary.

Change-Id: I208047e7d194142d227bb0d43e482574dc4279a8
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/349611
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jamal Carvalho <jamal@golang.org>
diff --git a/internal/postgres/symbol.go b/internal/postgres/symbol.go
index b40919f..bbec5c4 100644
--- a/internal/postgres/symbol.go
+++ b/internal/postgres/symbol.go
@@ -357,17 +357,6 @@
 		return nil, err
 	}
 
-	// Trigger tsv_name_tokens to update.
-	// TODO(golang/go#44142): Remove this once tsv_name_tokens is populated in
-	// all environments.
-	if _, err := db.Exec(ctx, `
-		UPDATE symbol_names
-		SET name=name
-		WHERE name = ANY($1)
-		AND tsv_name_tokens IS NULL;`, pq.Array(names)); err != nil {
-		return nil, err
-	}
-
 	var values []interface{}
 	for _, name := range names {
 		if _, ok := nameToID[name]; !ok {