Remove against the system database from Handy tips (neo4j#2478)

Author: renetapopova

modules/ROOT/pages/tutorial/neo4j-admin-import.adoc

@@ -34,9 +34,9 @@ However, the CSV files can be located in any directory of your file system.
 .Handy tips:
 ====
 * The details of a CSV file header format can be found at xref:import.adoc#import-tool-header-format[CSV header format].
-* To show available databases, use the Cypher query `SHOW DATABASES` against the `system` database.
-* To remove a database, use the Cypher query `DROP DATABASE database_name` against the `system` database.
-* To create a database, use the Cypher query `CREATE DATABASE database_name` against the `system` database.
+* To show available databases, use the Cypher query `SHOW DATABASES`.
+* To remove a database, use the Cypher query `DROP DATABASE database_name`.
+* To create a database, use the Cypher query `CREATE DATABASE database_name`.
 ====