Remove redundant information_schema creation in the driver example

[makiuchi-d]

In the driver's example, information_schema is duplicated.

It is created in two places.

1. factory.Resolve()
2. Catalog in Analyzer in Driver.OpenConnector()

There is no need to create it in the factory.Resolve().

I checked databases using this:

diff --git a/driver/_example/main.go b/driver/_example/main.go
index 34e0580ed..adbc1a249 100644
--- a/driver/_example/main.go
+++ b/driver/_example/main.go
@@ -35,6 +35,14 @@ func main() {
        rows, err := db.Query("SELECT * FROM mytable")
        must(err)
        dump(rows)
+
+       rows, err = db.Query("SHOW DATABASES")
+       must(err)
+       for rows.Next() {
+               var db string
+               must(rows.Scan(&db))
+               fmt.Println("db:", db)
+       }
 }
 
 func must(err error) {

[max-hoffman]

seems fine to me!