Revert "TT#38157 fix to insert IGNORE into ngcp.timezone"

This reverts commit a6ce0fd706.

Change-Id: I79b35147f8163f6b9078eb734b30a97e077b1586

db_scripts/diff/15373_not_replicated.up

@@ -10,6 +10,6 @@ CREATE TABLE IF NOT EXISTS ngcp.timezone
     modified_at timestamp default current_timestamp on update current_timestamp
 );
 
-INSERT IGNORE INTO ngcp.timezone (name) VALUES ('localtime');
+INSERT INTO ngcp.timezone (name) VALUES ('localtime');
 
 COMMIT;